JP2015215386A - Optical wiring unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an optical wiring unit enabling high-density housing of optical fiber cables.SOLUTION: An optical wiring unit includes: a case 1; patch panel sections 2-a to 2-d extending in a first direction, erected in a vertical direction in the case 1, and being drawable in a first side in the first direction; a first optical fiber cable insertion parts 3-a1 to 3-d1 provided at a third side in a second direction orthogonal to the first direction of the patch panel sections 2-a to 2-d; and second optical fiber cable insertion parts 3-a2 to 3-d2 provided at a fourth side inverse to the third side of the patch panel sections 2-a to 2-d. Residual length storage means 4-a to 4-d are provided above the patch panel sections 2-a to 2-d, the first optical fiber cable insertion parts 3-a1 to 3-d1, and the second optical fiber cable insertion parts 3-a2 to 3-d2 in a state where the patch panel sections 2-a to 2-d are stored in the case 1.

Description

  The present invention relates to an optical wiring unit, and more particularly to an optical wiring unit that can accommodate a large number of optical fibers in a space-saving manner.

  An optical transmission device provided in a communication station includes an optical signal processing unit and an optical wiring unit. The optical signal group transmitted / received by the optical transmission apparatus includes a large number of external (second) optical fiber cables between the outside of the optical transmission apparatus and the optical wiring unit, and a large number between the optical wiring unit and the optical signal processing unit. Each is transmitted by an extension (first) optical fiber cable. The optical wiring unit is provided with a large number of optical connector adapters, and each of the large number of external (second) optical fiber cables is connected to the associated internal (first) optical fiber cable via the optical connector adapter. ing. Each of the multiple extension (first) optical fiber cables is connected to an optical terminal of an associated optical signal processing unit.

  A front perspective view of a conventional optical wiring unit is shown in FIG. In a conventional optical wiring unit 70, a plate-like patch panel (optical wiring board) 702 is vertically installed and held on a bracket 701 for mounting on a metal rack of an optical transmission device. A plurality of optical connector adapters 40 are attached to the patch panel 702. Specifically, a plurality of rectangular optical connector adapter mounting holes 703 are formed in the patch panel 702 at predetermined intervals in the vertical direction and the horizontal direction, and the optical connector adapter 40 is installed in each optical connector adapter mounting hole 703 in the vertical direction and It is fitted and mounted side by side in the horizontal direction.

  A fixing hole 704 into which a mounting screw is inserted is formed in the bracket 701, and an optical wiring unit is obtained by screwing the mounting screw inserted into the fixing hole 704 into a screw hole provided in a frame of the optical transmission device. 70 is fixed to the rack of the optical transmission apparatus.

  In this state, optical fiber cables are connected from both sides of the optical connector adapter. Specifically, an external line (second) optical fiber cable 60 on the trunk line side of the communication station building is connected to a mounting port on the back side (upper right side of the drawing) of the optical connector adapter 40, and an extension line on the optical communication processing unit side The (first) optical fiber cable 50 is connected to the attachment port on the front side (lower left side in the drawing) of the optical connector adapter 40.

  Due to the recent increase in optical communication volume, it is desired that one optical transmission device in a communication station accommodates more external (second) optical fiber cables and handles more optical signal processing. ing. In order to realize this, it is necessary to suppress the mounting area of the optical wiring unit while increasing the mounting area of the optical signal processing unit in the optical transmission apparatus, and accordingly, more optical connector adapters are mounted than the conventional one. Therefore, there is a demand for an optical wiring unit that can accommodate a larger number of outer (second) and inner (first) optical fiber cables in a limited space.

  Patent Document 1 (Japanese Patent Publication No. 2012-525609) and Patent Document 2 (Japanese Patent Laid-Open No. 2000-232273) disclose an idea that contributes to increasing the density of optical fiber cable accommodation in an optical wiring unit. . The common feature is that a patch panel (optical wiring board) is arranged upright in the depth direction of the optical wiring unit and can be pulled out to the front side. In Patent Document 1, a plurality of patch panels (optical wiring boards) erected in the depth direction are further arranged in the horizontal direction in the optical wiring unit. With these characteristic configurations, optical connector adapters are arranged side by side in the depth direction of the optical wiring unit as compared to the conventional optical wiring unit in which the patch panel (optical wiring board) is erected in the horizontal direction shown in FIG. In addition, high-density accommodation of optical fiber cables that effectively utilize the space in the depth direction of the optical wiring unit is achieved.

Special table 2012-525609 gazette JP 2000-232273 A

  In Patent Documents 1 and 2, a mechanism that allows the patch panel (optical distribution board) to be pulled out to the front side in order to enable insertion and removal of the optical fiber cable to and from the optical connector adapter attached to the patch panel (optical distribution board). Adopted. In such a mechanism, extra length accommodation means for accommodating the extra length of the optical fiber cable necessary for drawing out the patch panel (optical distribution board) is required.

  In the means described in Patent Document 1, two optical fiber guide panels having holding members on both sides in the lateral direction are mounted in parallel on one patch panel (optical wiring board), and the patch panel (optical wiring board) is mounted. ), The optical fiber cable is wound around the holding member with an extra length of play necessary for the drawer. Further, in the means described in the cited document 2, two cable guides that can accommodate the extra length necessary for pulling out the patch panel (optical distribution board) are provided, and the patch panel (optical distribution board) is housed in the case. The cable guide can be stored on both sides of the patch panel (optical distribution board) in the horizontal direction.

  As described above, in both Patent Documents 1 and 2, since the extra length accommodating means is arranged on both sides in the horizontal direction when the patch panel (optical wiring board) is accommodated, the patch panel is provided in the optical wiring unit. When multiple (optical distribution boards) are installed in the horizontal direction, the number of patch panels (optical distribution boards) that can be installed within the specified width of the optical distribution unit is reduced, and more optical fiber cables are connected to the optical distribution unit. High density accommodation was not possible.

  In Patent Document 2, since the cable guide remains in the case with the patch panel (optical distribution board) pulled out, it is difficult to wire the optical fiber cable to the cable guide as it is. I will master it. In order to solve this problem, in Patent Document 2, if one end of a cable guide attached to the back of the drawer tray is made detachable and the one end is removed and the cable guide is pulled out of the case, wiring work becomes easy. However, the extra man-hours such as attaching / detaching the cable guide, pulling out → storage, etc. increased, and conversely, the wiring work efficiency of the optical fiber cable was lowered.

  Furthermore, in Patent Document 2, it becomes necessary to accommodate the extra length of the optical fiber cable necessary for drawing out the cable guide. As a means for this purpose, two extra length holders are installed in the lateral direction of the patch panel (optical distribution board). It has been necessary to increase the number of both sides of the optical fiber cable, which has been a hindrance to high-density accommodation of optical fiber cables in the optical wiring unit. It also led to an increase in manufacturing costs.

  An object of the present invention is to provide an optical wiring unit that enables high-density accommodation of optical fiber cables.

  The present invention according to a representative aspect of the present application is an optical wiring unit, wherein the case is provided to extend in the first direction and to stand in the vertical direction in the case, and is provided on the first side in the first direction. A patch panel portion that can be pulled out, a first optical fiber cable insertion portion provided on a third side in a second direction orthogonal to the first direction of the patch panel portion, a third side of the patch panel portion, A second optical fiber cable insertion portion provided on the reverse fourth side, and the patch panel portion, the first optical fiber cable insertion portion, and the second light when the patch panel portion is housed in the case An extra length accommodating means for the optical fiber cable is provided above the fiber cable insertion portion.

  According to another aspect of the present invention, the extra length accommodation means is constituted by a flexible cable guide, and the cable guide includes the patch panel portion and the first optical fiber in a state where the patch panel portion is accommodated in the case. The cable guide is provided above the cable insertion portion and the second optical fiber cable insertion portion and on the first side portion in the first direction, and one end of the cable guide is the first side end in the first direction of the patch panel portion. The other end of the cable guide is locked to the case.

  The present invention in still another aspect of the present application is characterized in that the cable guide is exposed to the outside of the case by pulling the patch panel portion from the case to the first side in the first direction.

  The present invention in still another aspect of the present application provides a plurality of patch panel portions connected to the patch panel portion at the first optical fiber cable insertion portion in a state where the patch panel portion is pulled out from the case to the first side in the first direction. The first optical fiber cable and a plurality of second optical fiber cables connected to the patch panel portion at the second optical fiber cable insertion portion are wired in the cable guide.

  According to still another aspect of the present invention, in the state in which the patch panel portion is housed in the case, the cable guide includes the first straight portion, the second straight portion, and the first and second straight portions. The first straight portion extends along the first direction above the first optical fiber cable insertion portion, and the second straight portion is the second light. The fiber cable insertion portion extends along the first direction, and the first folded portion crosses above the patch panel portion in the vicinity of the center portion in the first direction of the patch panel portion. It is connected with each edge part of the center part side of the 1st direction of the patch panel part of this straight part.

  The present invention according to still another aspect of the present application is the first cable guide in which the patch panel portion can be further pulled out to the second side opposite to the first side in the first direction, and the extra length accommodating means is flexible. And the second cable guide, and the first cable guide includes the patch panel portion, the first optical fiber cable insertion portion, and the second optical fiber cable insertion when the patch panel portion is housed in the case. The second cable guide is provided on the first side of the first direction in the first direction, and the second cable guide is inserted into the patch panel portion and the first optical fiber cable when the patch panel portion is housed in the case. Above the first and second optical fiber cable insertion portions and at the second side portion in the first direction, and one end of the first cable guide is on the first side in the first direction of the patch panel portion. The other end of the first cable guide is locked to the case, and one end of the second cable guide is locked to the second side end portion in the first direction of the patch panel portion. The other end of the cable guide 2 is locked to the case.

  The present invention in still another aspect of the present application is such that the first cable guide is exposed to the outside of the case by pulling the patch panel portion from the case to the first side in the first direction, and the patch panel portion is The second cable guide is exposed to the outside of the case by being pulled out from the case to the second side in the direction.

  The present invention in still another aspect of the present application provides a patch panel portion at one of the first and second optical fiber cable insertion portions in a state where the patch panel portion is pulled out from the case to the first side in the first direction. A plurality of first optical fiber cables connected to the first cable guide are wired in the first cable guide, and the first and second optical fibers are pulled out from the case to the second side in the first direction. A plurality of second optical fiber cables connected to the patch panel portion at the other end of the cable insertion portion are wired in the second cable guide.

  According to still another aspect of the present invention, in the state in which the patch panel portion is housed in the case, the first cable guide includes the first straight portion, the second straight portion, the first and second straight portions. A first folded portion that connects the two straight portions, the first straight portion extends along the first direction above the first optical fiber cable insertion portion, and the second straight portion is the first 2 extending along the first direction above the optical fiber cable insertion portion, and the first folded portion crosses above the patch panel portion in the vicinity of the center portion in the first direction of the patch panel portion. And the second linear guide portion is connected to each end portion on the central side in the first direction of the patch panel portion of the second linear portion, and the second cable guide includes a third linear portion, a fourth linear portion, and a third linear portion. And a second folded portion connecting the fourth straight portions, and the third straight portion is the first optical fiber. The fourth straight portion extends along the first direction above the cable insertion portion, and extends along the first direction above the second optical fiber cable insertion portion. Is connected to each end of the patch panel portion of the third direction and the fourth linear portion in the vicinity of the center portion in the first direction of the patch panel portion and on the side of the center portion of the patch panel portion in the first direction. It is characterized by being.

  According to still another aspect of the present invention, the patch panel unit includes a plurality of optical connector adapters into which the optical connectors at the ends of the first and second optical fiber cables are inserted, and the optical connector adapter is connected to the patch panel unit. Is characterized by being attached at an angle.

  The present invention in still another aspect of the present application is characterized in that an angle formed by the first direction in which the optical connector adapter and the patch panel portion extend is in a range of 35 ° to 55 °.

  The present invention in still another aspect of the present application is characterized in that a lock is applied when the patch panel portion is accommodated in the case, and this lock can be released from either the first side or the second side.

  According to the present invention, the optical fiber cable can be accommodated at high density by providing the extra length accommodating means for the optical fiber cable above the pullable patch panel portion and the optical fiber cable insertion portions on both sides thereof. A wiring unit can be realized.

It is a perspective view of Example 1 of an optical wiring unit. It is a perspective view of Example 2 of an optical wiring unit. It is a top view of Example 2 of an optical wiring unit. It is a perspective view of Example 3 of an optical wiring unit. It is a top view of Example 3 of an optical wiring unit. It is a top view of Example 3 of an optical wiring unit. It is a top view of Example 4 of an optical wiring unit. It is a perspective view of Example 5 of an optical wiring unit. It is a top view of Example 5 of an optical wiring unit. It is a top view of Example 6 of an optical wiring unit. It is a top view of Example 7 of an optical wiring unit. It is a top view of Example 8 of an optical wiring unit. It is a whole block diagram of an optical transmission apparatus. It is a front perspective view of an optical wiring unit. It is a rear perspective view of an optical wiring unit. It is a disassembled perspective view of an optical wiring unit. 2 is a front perspective view of a movable patch panel 13. FIG. 3 is a partially enlarged view of a rear perspective view of a movable patch panel 13. FIG. FIG. 6 is a detailed view of attachment of the slide rail 12 and the movable patch panel 13 to the case lower part 111. FIG. 6 is a detailed view of attachment of the front (first) cable guide 15 to the case lower part 111 and the movable patch panel 13. It is the state figure which pulled out the movable patch panel 13 to the front side (1st side). FIG. 6 is a detailed view of attachment of the rear (second) cable guide 16 to the case lower part 111 and the movable patch panel 13. It is the state figure which pulled out the movable patch panel 13 to the back side (2nd side). FIG. 5 is a detailed operation diagram of connecting the extension (first) optical fiber cable 50 to the optical connector adapter 40; FIG. 6 is a detailed view of the connection work of the external (second) optical fiber cable 60 to the optical connector adapter 40. It is a front perspective view of an optical wiring unit. It is detail drawing of the B section of FIG. 15A. It is a figure of the example which has arrange | positioned the optical connector adapter 40 and the movable patch panel 13 orthogonally. 3 is an explanatory diagram showing a wiring route of an extension (first) optical fiber cable 50. FIG. It is an enlarged view of the guide part 153 and the lock part 154. It is the state figure which released the lock part 154 in the enlarged view of the guide part 153 and the lock part 154. FIG. 6 is an explanatory diagram showing a wiring route of an external (second) optical fiber cable 60. FIG. It is a front view of an optical transmission apparatus. It is a figure of the wiring route example 1 from the rack 20 to each movable patch panel. It is a figure of the wiring route example 2 from the rack 20 to each movable patch panel. It is a figure of the wiring route example 3 from the rack 20 to each movable patch panel. It is a figure of the wiring route example 4 from the rack 20 to each movable patch panel. It is a figure which shows the state which pulled out the front wiring tray. It is a figure which shows the state which accommodated the front wiring tray. 2 is a front view of the optical wiring unit 10. FIG. It is CC sectional drawing of FIG. 21A. It is a state figure in which the movable patch panel was locked in the D section detailed drawing of Drawing 21B. It is the state figure which unlocked the movable patch panel in the D section detailed drawing of Drawing 21C. It is the state figure which pulled out the movable patch panel in the D section detailed drawing of Drawing 21D. It is a partially expanded perspective view of the front side of the movable patch panel showing the address display. It is a partial front perspective view of an optical wiring unit. It is a state figure before fiber cover 14 fixation. It is detail drawing of the opening part 18 with a guide. It is a front perspective view of the conventional optical wiring unit.

  FIG. 1 is a perspective view of an optical wiring unit according to a first embodiment of the present invention. In this embodiment, an example in which four movable patch panel portions 2-a to d are provided in the case 1 of the optical wiring unit 1 is shown.

  Each movable patch panel section 2-ad is provided with a plurality of optical connector adapters arranged in a matrix in the depth direction (first direction) and the vertical direction. It is erected so as to extend in the (first direction). Further, the movable patch panel portions 2-a to d are attached to the case 1 so as to be able to be pulled out in the depth direction (first direction).

  On the right side (third side) and left side (fourth side) of the movable patch panel sections 2-a to d, a plurality of optical fiber cable connectors are inserted into a plurality of optical connector adapters, and a plurality of optical fiber cables are cased. 1 is provided with first optical fiber cable insertion portions 3-a1 to d1 and second optical fiber cable insertion portions 3-a2 to d2 for drawing out from the outside.

  In this embodiment, the extra length accommodating means 4-ad for accommodating the extra length of the optical fiber cable necessary for pulling out the movable patch panel portions 2-a to d is provided with the movable patch panel portion 2-a. To d and the first and second optical fiber cable insertion portions 3-a1 to d1 and 3-a2 to d2 on both sides thereof. Further, the extra length accommodating means 4-a to d are movable with the corresponding movable patch panel portions 2-a to d and pulled out of the case 1 so as to be drawn out. It is fixed to d.

  In this embodiment, the extra length accommodation provided in the outer side of each of the optical fiber cable insertion portions 3-a1 to d1 and 3-a2 to d2 on both sides of the movable patch panel portions 2-a to d in the prior art. One movable patch panel is provided by gathering means above the movable patch panel portions 2-a to d and the optical fiber cable insertion portions 3-a1 to d1 and 3-a2 to d2 on both sides thereof. The accommodation space for the portion 2 can be made smaller than before, and the accommodation density of the optical fiber cable in the entire optical wiring unit 1 is higher than that in the prior art. Further, the extra length accommodation means 4-a-d according to the present invention is pulled out of the case 1 in cooperation with the movable patch panel portions 2-a-d, and its upper surface is exposed. The wiring work of the optical fiber cable to -ad can be easily performed.

  2A is a perspective view of an optical wiring unit according to a second embodiment of the present invention, and FIG. 2B is a top view of the optical wiring unit according to the second embodiment. In this embodiment, the movable patch panel portions 2-a to 2-d can be pulled out to the front side (first side) of the case 1, and a flexible cable guide that can be bent in a horizontal plane as a surplus length processing means. An example using 4-ad is shown.

  As shown in FIG. 2A in a state in which the movable patch panel portions 2-a to d are all accommodated in the case 1, in this embodiment, the cable guides 4-a to d are movable patch panel portions 2-a. To d and the first and second optical fiber cable insertion portions 3-a1 to d1 and 3-a2 to d2 on both sides thereof, and the depth direction of the movable patch panel portions 2-a to d (first It is provided on the front side (first side) with respect to the center of the direction. Each of the cable guides 4-a to d includes a first straight portion, a second straight portion, and a first folded portion that connects the first and second straight portions, and the first straight portion is the first straight portion. The optical fiber cable insertion portions 3-a1 to d1 extend in the depth direction (first direction), and the second straight line portion extends above the second optical fiber cable insertion portions 3-a2 to d2. Extending along the depth direction (first direction), the first folded portion is movable patch panel 2-a in the vicinity of the center in the depth direction (first direction) of movable patch panel portions 2-a to d. Are connected to respective end portions on the center side in the depth direction (first direction) of the movable patch panel portions 2-a to d of the first and second linear portions.

  In FIG. 2B, one movable patch panel portion 2-a on the rightmost side (third side) is pulled out from the case 1 to the front side (first side), and the remaining three movable patch panel portions 2- b to d show a state of being housed in the case 1. In FIG. 2B, the two white circles ○ and the thick line connecting them indicate the locking of the cable guides 4-a to d to the movable patch panel portions 2-a to d, and the two black circles ● and the thick line connecting them are the cables. Locking of the guides 4-a to d with respect to the case 1 is shown.

  In a state where the movable patch panel portions 2-a to d are housed in the case 1, the first straight portions of the cable guides 4-a to d (above the first optical fiber cable insertion portions 3-a1 to d1). The end portion of the front side (first side) of the extending straight portion) is the end portion of the front side (first side) of the movable patch panel portions 2-a to d and the end portion of the cable guides 4-a to d. The end portions on the front side (first side) of the two straight portions (the straight portions extending above the second optical fiber cable insertion portions 3-a2 to d2) are locked to the case 1, respectively.

  When the movable patch panel portion 2-a is pulled out, the first straight portion of the cable guide 4-a locked to the front side (first side) end portion of the movable patch panel portion 2-a. The end portion is also pulled out together, and accordingly the length in the depth direction (first direction) is gradually increased in the first linear portion of the cable guide 4-a, whereas the second linear portion is gradually shortened. As shown in FIG. 2B, the cable guide 4-a is exposed to the outside of the case 1. In this state, in the first optical fiber cable insertion part 3-a1 and the second optical fiber cable insertion part 3-a2, the inner line (first) optical fiber cable A and the outer line (second) optical fiber cable B Each optical connector is inserted into the optical connector adapter 5 and the optical fiber cables A and B are pulled out to the front side (first side). The drawn optical fiber cables A and B are inserted from the end locked to the front side (first side) end of the movable patch panel portion 2-a and are locked to the case 1. The cable guide 4-a is wired so that the cable guide 4-a is pulled out (inserted from the front side (first side) and pulled out from the back side (second side)).

  In the present embodiment, as in the first embodiment, the optical fiber cable can be accommodated at high density, and the wiring work can be easily performed. Further, in this embodiment, both the inner (first) optical fiber cable A and the outer (second) optical fiber cable B can be wired from the front side (first side).

  FIG. 3A is a perspective view of an optical wiring unit according to a third embodiment of the present invention, and FIGS. 3B and 3C are top views of the optical wiring unit according to the third embodiment. In this embodiment, the movable patch panel portions 2-a to d can be pulled out not only on the front side (first side) but also on the back side (second side) of the case 1, and each movable type as a surplus length processing means. An example in which two flexible cable guides 4-a1 to d1 and 4-a2 to d2 are used for the patch panel portions 2-a to d will be described.

  As shown in FIG. 3A in a state where all the movable patch panel portions 2-a to d are housed in the case 1, in the present embodiment, the first cable guides 4-a1 to d1 are configured to be movable patch panel portions. 2-a to d and the first and second optical fiber cable insertion portions 3-a1 to d1 and 3-a2 to d2 on both sides thereof, and the depth direction of the movable patch panel portions 2-a to d The second cable guides 4-a2 to d2 are provided on the front side (first side) with respect to the center portion in the (first direction). Above the second optical fiber cable insertion portions 3-a1 to d1, 3-a2 to d2, and on the back side from the center in the depth direction (first direction) of the movable patch panel portions 2-a to d It is provided on the (second side). The first cable guides 4-a1 to d1 include a first straight part, a second straight part, and a first folded part that connects the first and second straight parts, and the first straight part. Extends along the depth direction (first direction) above the first optical fiber cable insertion portions 3-a1 to d1, and the second straight line portion is the second optical fiber cable insertion portions 3-a2 to d2. The movable patch panel extends along the depth direction (first direction) above the first and the first folded portion is near the center of the movable patch panel portions 2-a to 2-d in the depth direction (first direction). 2-a to d are crossed over and connected to respective end portions on the center side in the depth direction (first direction) of the movable patch panel portions 2-a to d of the first and second linear portions. . Further, the second cable guides 4-a2 to d2 include a third straight portion, a fourth straight portion, and a second folded portion connecting the third and fourth straight portions. Extends along the depth direction (first direction) above the first optical fiber cable insertion portions 3-a1 to d1, and the fourth straight line portion is the second optical fiber cable insertion portions 3-a2 to d2. A movable patch panel that extends in the depth direction (first direction) above the second portion and the second folded portion is near the center of the movable patch panel portions 2-a to 2-d in the depth direction (first direction). It crosses the upper part of 2-a-d, and is connected with each edge part of the center part side of the depth direction (1st direction) of the movable patch panel part 2-a-d of the 3rd and 4th straight part. .

  3B and 3C, the rightmost (third side) movable patch panel portion 2-a is drawn from the case 1 to the front side (first side), and the second side from the right side (third side). The movable patch panel portion 2-b is pulled out from the case 1 to the back side (second side), and the remaining two movable patch panel portions 2-c and 2-d are stored in the case 1. ing.

  In a state where the movable patch panel portions 2-a to d are housed in the case 1, the first straight portions (first optical fiber cable insertion portions 3-a1 to d1) of the first cable guides 4-a1 to d1 are used. The first cable guide 4 is connected to the front side (first side) end of the movable patch panel portion 2-a to d. -The end portion on the front side (first side) of the second straight line portion (the straight line portion extending above the second optical fiber cable insertion portions 3-a2 to d2) of the a1 to d1 is the case 1, The end portion on the back side (second side) of the third straight portion (the straight portion extending above the first optical fiber cable insertion portions 3-a1 to d1) of the cable guides 4-a2 to d2 is the case 1 To the fourth straight portion of the second cable guide 4-a2-d2 (above the second optical fiber cable insertion portion 3-a2-d2). End of the back side of the extending linear portion) (second side) to the end portion of the rear side of the movable patch panel portion 2-to d (second side), it is sealed respectively engaged.

  When the movable patch panel unit 2-a is pulled out to the front side (first side), the first is locked to the front side (first side) end of the movable patch panel unit 2-a. The end portion of the first straight portion of the cable guide 4-a1 is also drawn out together, and accordingly the length in the depth direction (first direction) is gradually increased in the first straight portion of the first cable guide 4-a1. On the contrary, the second straight line portion is gradually shortened, and the first cable guide 4-a1 is exposed to the outside of the case 1 as shown in FIGS. 3B and 3C. In this process, the end portion of the fourth straight line portion of the second cable guide 4-a2 that is locked to the end portion on the back side (second side) of the movable patch panel portion 2-a also cooperates. Then, it moves to the front side (first side), and the length in the depth direction (first direction) is accordingly increased. The third straight portion of the second cable guide 4-a2 is gradually longer, and conversely the fourth straight portion. Gradually becomes shorter.

  In the wiring example shown in FIG. 3B, in this state, in the second optical fiber cable insertion portion 3-a2, the optical connector ahead of the extension (first) optical fiber cable A is inserted into the optical connector adapter 5, and the extension ( The first optical fiber cable A is pulled out to the front side (first side).

  In the wiring example shown in FIG. 3C, in this state, in the first optical fiber cable insertion portion 3-a1, the optical connector ahead of the extension (first) optical fiber cable A is inserted into the optical connector adapter 5, and the extension ( The first optical fiber cable A is pulled out to the front side (first side).

  The drawn-out extension (first) optical fiber cable A is inserted into the case 1 from the end that is locked to the front side (first side) end of the movable patch panel portion 2-a. The first cable guide 4 so as to be pulled out from the end of the first cable guide 4 (inserted from the front side (first side) of the drawn first cable guide 4-a1 and pulled out from the back side (second side)). -Wire to a1.

  In addition, although the example which pulled out movable patch panel part 2-a to the front side (1st side) is shown and it demonstrates in detail, the other movable patch panel parts 2-b-d are front side ( The same applies to the case of the first side).

  On the other hand, when the movable patch panel portion 2-b is pulled out to the back side (second side), the second portion is locked to the end portion on the back side (second side) of the movable patch panel portion 2-b. The end of the fourth straight portion of the cable guide 4-b2 of the second cable is also drawn out together, and the length in the depth direction (first direction) is accordingly corresponding to the length of the fourth straight portion of the second cable guide 4-b2. On the contrary, the third straight line portion gradually becomes shorter, and the second cable guide 4-b2 is exposed outside the case 1 as shown in FIGS. 3B and 3C. In this process, the end portion of the first straight portion of the first cable guide 4-b1 that is locked to the end portion on the front surface side (first side) of the movable patch panel portion 2-b also cooperates. Then, it moves to the back side (second side), and the length in the depth direction (first direction) is accordingly increased, and the second straight portion of the first cable guide 4-b1 is gradually longer. Gradually becomes shorter.

  In the wiring example shown in FIG. 3B, in this state, in the first optical fiber cable insertion portion 3-b1, the optical connector at the tip of the external (second) optical fiber cable B is inserted into the optical connector adapter 5, and the external line ( The second optical fiber cable B is pulled out to the back side (second side).

  In the wiring example shown in FIG. 3C, in this state, in the second optical fiber cable insertion portion 3-b2, the optical connector at the tip of the outer (second) optical fiber cable B is inserted into the optical connector adapter 5, and the outer ( The second optical fiber cable B is pulled out to the back side (second side).

  The drawn-out external (second) optical fiber cable B is inserted into the case 1 from the end that is locked to the end on the back side (second side) of the movable patch panel portion 2-b. The second cable guide 4 is pulled out from the end of the second cable guide 4 (inserted from the back side (second side) of the second cable guide 4-b2 drawn out and pulled out from the front side (first side)). Wire to -b2.

  In addition, although the example which pulled out movable patch panel part 2-b to the back side (2nd side) is shown and it demonstrates in detail, other movable patch panel parts 2-a, c, and d are back. The same applies to the case of drawing to the side (second side).

  Also in the present embodiment, the first and second cable guides 4-a1 to d1 and a2 to d2 as the extra length accommodation means are moved to the movable patch panel portions 2-a to d and the first and second lights on both sides thereof. Since the fiber cable insertion portions 3-a1 to d1, 3-a2 to d2 are provided in an aggregated manner, the accommodation space for one movable patch panel portion 2 can be reduced, and the optical wiring unit The housing density of the optical fiber cable can be increased. Further, in this embodiment, the movable patch panel portions 2-a to d can be pulled out not only on the front side (first side) but also on the back side (second side) of the case 1, so that the inside of the optical transmission apparatus Extension (first) optical fiber cable wiring between the optical signal processing unit and the optical wiring unit 1 and an external line (second) between the optical transmission device outside and the optical wiring unit 1 in the optical transmission device Wiring of the optical fiber cable can be performed separately on the front side (first side) and the back side (second side). In addition, the first cable guides 4-a to d required for wiring work on the front side (first side) are pulled out to the front side (first side) of the movable patch panel portions 2-a to d and the case. The second cable guides 4-a to d required for wiring work on the back side (second side) are drawn to the outside of the movable patch panel portions 2-a to d. Since it is pulled out of the case 1 together with the drawing to the (second side) and its upper surface is exposed, each wiring work can be easily performed. Note that all the embodiments described below have the effects described here.

  FIG. 3D is a top view of the optical wiring unit according to the fourth embodiment of the present invention. The present embodiment is different from the third embodiment in that the attachment angle of the optical connector adapter 5 to the movable patch panel portions 2-a to d is changed. The other points are the same as in the third embodiment.

  In the above-described third embodiment, the optical connector adapter 5 is attached at right angles to the movable patch panel portions 2-a to d as in the prior art, and the extension line (first) and the outside line (second). The optical connectors of the optical fiber cables A and B are inserted perpendicularly to the movable patch panel portions 2-a to d. In such a configuration, the first optical fiber cable insertion portions 3-a1 to 3-a1 required to secure the minimum bending radius of the inner (first) optical fiber cable A and the outer (second) optical fiber cable B. The length in the width direction (second direction) of d1 and the second optical fiber cable insertion portion is increased.

  On the other hand, in this embodiment, the optical connector adapter 5 is tilted so that the angle θ (≠ 90 °) formed with the depth direction (first direction) with respect to the movable patch panel portions 2-a to d. Attached. Thereby, the length of the width direction (2nd direction) of 1st optical fiber cable insertion part 3-a1-d1 and 2nd optical fiber cable insertion part 3-a2-d2 can be made small. If this angle is too small, it will be difficult to insert the inner (first) and outer (second) optical fiber cables A and B into the optical adapter connector 5, and one movable patch panel 2 In order to reduce the mounting density of the optical connector adapter 5 to the angle, the angle θ formed with the depth direction (first direction) in consideration of the balance between the two is in the range of 35 ° to 55 °. Is preferred.

  Further, in this embodiment, the optical patch adapter 5 is inclined and attached to the movable patch panel portions 2-a to d, so that the movable patch panel portions 2-a to d are attached to the front side (first side) or In each wiring operation in the state of being pulled out to the back side (second side), each connector of the extension (first) optical fiber cable A or the outer (second) optical fiber cable B is connected to the right side (third side) or left side. It also has a secondary effect of indicating which optical fiber cable insertion portion (fourth side) should be inserted into the optical connector adapter 5. In a state where the movable patch panel portions 2-a to d are pulled out to the front side (first side), the second optical fiber cable insertion portion 3 in which the tip of the optical connector adapter 5 is inclined toward the front side (front side). -When wiring work is performed on a2 to d2 and the movable patch panel portions 2-a to d are pulled out to the back side (second side), the tip of the optical connector adapter 5 is inclined toward the front side (back side). It can be seen that wiring work is performed on the first optical fiber cable insertion portions 3-a1 to d1.

  In the present embodiment, the lengths in the width direction (second direction) of the first and second optical fiber cable insertion portions 3-a1 to d1 and 3-a2 to d2 can be reduced, respectively. The accommodation space for the two movable patch panel portions 2 can be made smaller than that of the third embodiment, and the density of the optical fiber cable in the optical wiring unit can be further increased. This effect is provided in all the embodiments described below.

  Here, as an effect peculiar to the above-described third embodiment and the fourth embodiment, as shown in FIGS. 3B and 3D, any wiring on the front side (first side) and the back side (second side) is used. Also in the work, it can be performed on the optical fiber cable insertion part that is not covered by the cable guide, so that each wiring work is easier, and the optical fiber cable drawn from the optical fiber cable insertion part is used as the cable guide. Since the route that leads is straddling the movable patch panel when viewed from the front side (first side) or the back side (second side), the bending radius of the optical fiber cable can be given a margin. is there.

  4A is a perspective view of Embodiment 5 of the optical wiring unit of the present invention, and FIG. 4B is a top view of Embodiment 5 of the optical wiring unit. Also in the present embodiment, the movable patch panel portions 2-a to d can be pulled out to both the front side (first side) and the back side (second side) of the case 1, the first cable guide 4 -A1-d1 and second cable guides 4-a2-d2 are movable patch panel portions 2-a-d and first and second optical fiber cable insertion portions 3-a1-d1,3-a2 on both sides thereof. Are provided on the front side (first side) and the back side (second side) above -d2, and the optical connector adapter 5 is tilted and attached to the movable patch panel portions 2-a-d. This is the same as the fourth embodiment described above. The same applies to all the following embodiments. 4B, the rightmost (third side) movable patch panel portion 2-a is drawn from the case 1 to the front side (first side), and from the right side (third side) to the second side. The second movable patch panel portion 2-b is pulled out from the case 1 to the back side (second side), and the remaining two movable patch panel portions 2-c and 2-d are housed in the case 1. In (b), the rightmost (third side) movable patch panel portion 2-a is pulled out from the case 1 to the back side (second side) and second from the right side (third side). The movable patch panel portion 2-b is drawn from the case 1 to the front side (first side).

  In this embodiment, the end portions (the end portions with black circles ●) engaged with the case 1 of the first and second cable guides 4-a1 to d1 and 4-a2 to d2 are arranged in the width direction (first order). Aligned with one side of two directions), each end portion (white circle ○) that is engaged with the movable patch panel portions 2-a to d of the first and second cable guides 4-a1 to d1, 4-a2 to d2. This is different from the third and fourth embodiments described above in that the end portions marked with are aligned on the other side in the width direction. This point is the same in all the embodiments described below. In the third embodiment and the fourth embodiment described above, the end portions (end portions with white circles) of the first cable guides 4-a1 to d1 locked to the movable patch panel portions 2-a to d and the first ones. The first cable guides 4- engaged with the case 1 with the ends of the cable guides 4-a2 to d2 (ends marked with white circles) of the second cable guides 4-a2 to d2 opposite to each other in the width direction (second direction). The end portions a1 to d1 (end portions with black circles ●) and the end portions of the second cable guides 4-a2 to d2 (end portions with black circles ●) are arranged in the width direction (second direction). Each is on the opposite side.

  In the present embodiment, the first and third movable patch panel portions 2-a, 2-c, the first cable guides 4-a1, 4-c1, and the second cable guide 4 from the right side (first side). -A2, 4-c2 and the second and fourth movable patch panel sections 2-b, 2-d and the first cable guides 4-b1,4 from the right side (first side). -D1 and the second set of the second cable guides 4-b2 and 4-d2, the direction in which the optical connector adapter 5 is inclined is reversed (the first set is rotated by 180 ° and the movable patch panel portion The tilt direction of the optical connector adapter is reversed when the second circle is overlapped so that the white circles ○ that are locked with the cable guide coincide with each other.

  In the first set, in the state in which the movable patch panel portions 2-a and 2-c are housed in the case 1, the first straight portions (the first straight portions (the first first portions) of the first cable guides 4-a1 and 4-c1). The end portion of the front side (first side) of the optical fiber cable insertion portions 3-a1 and 3-c1) is connected to the case 1 and the first cable guides 4-a1 and 4-c1. The front side (first side) end of the second straight portion (the straight portion extending above the second optical fiber cable insertion portions 3-a2 and 3-c2) is a movable patch panel portion 2-a. , 2-c on the front side (first side) end of the third straight line portion of the second cable guides 4-a2, 4-c2 (first optical fiber cable insertion portions 3-a1, 3-c1). The end on the back side (second side) of the straight portion extending above the second side of the second cable guides 4-a2 and 4-c2 The end portions on the back side (second side) of the wire portions (the straight portions extending above the second optical fiber cable insertion portions 3-a2 and 3-c2) are movable patch panel portions 2-a, 2- It is respectively latched by the edge part of the back side (2nd side) of c.

  On the other hand, in the second set, when the movable patch panel portions 2-b and 2-d are housed in the case 1, the first straight portions of the first cable guides 4-b1 and 4-d1 ( The front side (first side) end of the first optical fiber cable insertion portions 3-b1 and 3-d1 is a front surface of the movable patch panel portions 2-b and 2-d. The second straight portion of the first cable guides 4-b1 and 4-d1 (extending above the second optical fiber cable insertion portions 3-b2 and 3-d2) at the end portion on the side (first side) The end portion of the front side (first side) of the straight portion is connected to the case 1 and the third straight portion (first optical fiber cable insertion portions 3-b1, 3 of the second cable guides 4-b2, 4-d2). -The end of the back side (second side) of the straight part extending above d1 is the back side (second side) of the movable patch panel portions 2-b and 2-d. At the end, the back side of the fourth straight portion of the second cable guides 4-b2, 4-d2 (the straight portion extending above the second optical fiber cable insertion portions 3-b2, 3-d2) ( The ends on the second side are locked to the case 1 respectively.

  When the movable patch panel unit 2-a is pulled out to the front side (first side), the first is locked to the front side (first side) end of the movable patch panel unit 2-a. The end portion of the second straight portion of the cable guide 4-a1 is also drawn out together, and the length in the depth direction (first direction) is gradually increased accordingly, and the second straight portion of the first cable guide 4-a1 is gradually increased. On the contrary, the first straight line portion is gradually shortened, and the first cable guide 4-a1 is exposed to the outside of the case 1 as shown in FIG. 4B (a). In this process, the end portion of the fourth straight line portion of the second cable guide 4-a2 that is locked to the end portion on the back side (second side) of the movable patch panel portion 2-a also cooperates. Then, it moves to the front side (first side), and the length in the depth direction (first direction) is accordingly increased. The third straight portion of the second cable guide 4-a2 is gradually longer, and conversely the fourth straight portion. Gradually becomes shorter.

  On the other hand, when the movable patch panel unit 2-a is pulled out to the back side (second side), the second side is locked to the end of the movable patch panel unit 2-a on the back side (second side). The end portion of the fourth straight portion of the second cable guide 4-a2 is also drawn out together, and the length in the depth direction (first direction) is accordingly increased. The fourth straight portion of the second cable guide 4-a2 On the contrary, the third straight line portion gradually becomes shorter and the second cable guide 4-a2 is exposed outside the case 1 as shown in FIG. 4B (b). In this process, the end portion of the second straight line portion of the first cable guide 4-a1 that is locked to the end portion on the front surface side (first side) of the movable patch panel portion 2-a also cooperates. The first linear guide portion of the first cable guide 4-a1 gradually increases in length in the depth direction (first direction) along with the movement to the back side (second side). Gradually becomes shorter.

  In addition, although the example which pulled out the movable patch panel part 2-a to the front side (1st side) or the back side (2nd side) is shown and demonstrated, the movable patch panel part 2-c is demonstrated. The same applies to the case where is pulled out to the front side (first side) or the back side (second side).

  Further, when the movable patch panel portion 2-b is pulled out to the front side (first side), the second portion is locked to the front side (first side) end of the movable patch panel portion 2-b. The end portion of the first straight line portion of the first cable guide 4-b1 is also pulled out together, and the length in the depth direction (first direction) is accordingly corresponding to the length of the first straight line portion of the first cable guide 4-b1. On the contrary, the second straight line portion gradually becomes shorter, and the first cable guide 4-b1 is exposed to the outside of the case 1 as shown in FIG. 4B (b). In this process, the end portion of the third straight line portion of the second cable guide 4-b2 that is locked to the end portion on the back side (second side) of the movable patch panel portion 2-b also cooperates. Then, the length of the second cable guide 4-b2 is gradually increased and the length of the second cable guide 4-b2 is gradually increased. Gradually becomes shorter.

  On the other hand, when the movable patch panel portion 2-b is pulled out to the back side (second side), the second portion is locked to the end portion on the back side (second side) of the movable patch panel portion 2-b. The end portion of the third straight line portion of the second cable guide 4-b2 is also drawn together, and the length in the depth direction (first direction) is accordingly increased. On the contrary, the fourth straight line portion gradually becomes shorter, and the second cable guide 4-b2 is exposed to the outside of the case 1 as shown in FIG. 4B (a). In this process, the end portion of the first straight portion of the first cable guide 4-b1 that is locked to the end portion on the front surface side (first side) of the movable patch panel portion 2-b also cooperates. Then, it moves to the back side (second side), and the length in the depth direction (first direction) is accordingly increased, and the second straight portion of the first cable guide 4-b1 is gradually longer. Gradually becomes shorter.

  An example in which the movable patch panel unit 2-b is pulled out to the front side (first side) or the back side (second side) is shown and described in detail, but the movable patch panel unit 2-d The same applies to the case where is pulled out to the front side (first side) or the back side (second side).

  In this embodiment, the extension line (first) optical fiber cable A or the outside line (second) with the movable patch panel section 2 pulled out on the front side (first side) or the back side (second side). The optical fiber cable B is wired before the optical connector cable 5 is inserted into the optical connector adapter 5 at the optical fiber cable insertion portion 3 inclined toward the side from which the tip of the optical connector adapter 5 is drawn. The optical fiber cables A and B are drawn out to the side, and the drawn optical fiber cables A and B are inserted from the front side of the cable guide 4 exposed outside the case 1 and pulled out from the case 1 side). . This is the same regardless of which of the four movable patch panel portions 2-a to d and the pull-out direction of the movable patch panel portions 2-a to d.

  In this embodiment, the end portions (each marked with a white circle ○) that are engaged with the movable patch panel portions 2-a to d of the first and second cable guides 4-a1 to d1 and 4-a2 to d2. Since the end portion is aligned on the same side in the width direction (second direction), the movable patch panel portions 2-a to d are arranged on the front side as can be seen by comparing (a) and (b) in FIG. 4B. The straight part of the cable guide 4 that is gradually extended in the depth direction (first direction) and exposed outside the case 1 regardless of whether it is pulled out to the (first side) or the back side (second side) is the width direction. (Second direction) on the same side (in the movable patch panel portions 2-a and 2-c, both the second straight portion and the fourth straight portion are on the left side (fourth side), the movable patch panel portions 2-b and 2 At -d, both the first straight line portion and the third straight line portion are on the right side (first side). Therefore, the movable patch panel portion 2-a for supporting the lower portion of the cable guide 4 exposed outside the case 1 and accommodated in the case 1 and suppressing the spread in the width direction (second direction). In the present embodiment, when a receiving shelf fixed to -d is provided, one receiving shelf per one movable patch panel portion 2 is provided only on one side in the width direction (second direction) (movable patch panel portion 2-a). , 2-c only needs to be provided on the left side (fourth side) and on the movable patch panel portions 2-b, 2-d only on the right side (first side). In Examples 3 and 4 described above, as can be seen from FIGS. 3B to 3D, the movable patch panel portions 2-a to d are pulled out to the front side (first side) or the surface side (second side). The cable guide 4 linear part that is gradually lengthened as it is pulled out and exposed outside the case 1 is on the different side in the width direction (second direction), and the receiving shelf is also one movable patch panel part Two of the two must be provided on both sides in the width direction (second direction), and the storage space for one movable patch panel portion 2 is increased accordingly. In this embodiment, it is only necessary to provide the receiving shelf only on one side in the width direction (second direction), so that the storage space for one movable patch panel portion 2 is smaller than those in the above-described third and fourth embodiments. Therefore, it is possible to realize further increase in the accommodation density of the optical fiber cable in the optical wiring unit. In addition, since the number of parts can be reduced, the manufacturing cost of the optical wiring unit can be reduced. This effect is provided in all the embodiments described below.

  In the present embodiment, the end portions of the cable guides 4 adjacent in the width direction (second direction) are engaged with the case 1 in a state where the movable patch panel portions 2-a to d are accommodated in the case 1. They are either stopped or locked to the movable patch panel portions 2-a-d. In the third embodiment and the fourth embodiment described above, one end of the cable guide 4 adjacent in the width direction (second direction) is an end portion that is locked to the case 1, and the other is the movable patch panel portion 2-a. Since it becomes the edge part latched to -d, you have to provide the means for latching to case 1 in all between the accommodation space of four movable patch panel parts 2-a-d. On the other hand, in the present embodiment, the space between the movable patch panel unit 2-a and the movable patch panel unit 2-b or between the movable patch panel unit 2-c and the movable patch panel unit 2-b. It is not necessary to provide means for locking the case 1 between the storage spaces, and the space is provided between the storage spaces of the movable patch panel portion 2-b and the movable patch panel portion 2-c. A part of the means for locking to the case 1 can also be used. Even in these respects, the present embodiment contributes to further increasing the density of the optical fiber cable in the optical wiring unit and reducing the manufacturing cost as compared to the above-described third and fourth embodiments. . This effect is the same as in Example 6 described below.

  FIG. 4C is a top view of the optical wiring unit according to the sixth embodiment.

  This embodiment is different from the above-described fifth embodiment in that all of the movable patch panel portions 2-a to d, the first cable guides 4-a1 to d1, and the second cable guides 4-a2 to d2 are used. In the assembly, the direction of the inclination of the optical connector adapter 5 is the same (the first circle and the third assembly from the right side (first side) are rotated by 180 °, and the white circle that is the engagement between the movable patch panel portion and the cable guide ○ The optical connector adapters are inclined in the same direction when they are overlapped on the second and fourth sets from the right side (first side) so that they match.

  In the manufacturing process, it is necessary to prepare two sets of optical connector adapters having different inclination directions in the fifth embodiment. However, in this embodiment, since this is not necessary, the manufacturing process is facilitated. . This effect is the same as in Example 7 described below.

  FIG. 4D is a top view of the optical wiring unit according to the seventh embodiment.

  In this example, the second and fourth groups from the right side (first side) of Example 6 described above were rotated 180 ° (replaced by the first and third groups from the right side (first side)). )

  In the above-described sixth embodiment, the extension portion (first) optical fiber cable A on the front side (first side) and the back side (second side) in the state where the movable patch panel portions 2-a to d are housed. Side) outside line (second) optical fiber cable B was concentrated in the center of the width direction (second direction), but in this example, the above-mentioned extraction position was in the width direction (second direction). Since they are dispersed at a predetermined interval, the wiring work toward the optical communication processing unit of the extension (first) optical fiber cable A and the outside of the optical transmission device of the outer (second) optical fiber cable B All wiring work can be made easy.

  FIG. 4E is a top view of an optical wiring unit according to an eighth embodiment.

  In this embodiment, the second set and the third set are interchanged from the right side (first side) of the above-described fifth embodiment.

  In the above-described fifth embodiment, the extension portion (first) optical fiber cable A on the front side (first side) and the back side (second side) in the state where the movable patch panel portions 2-a to d are housed. Side) outside line (second) optical fiber cable B was concentrated in the center of the width direction (second direction), but in this example, the above-mentioned extraction position was in the width direction (second direction). Since they are dispersed at a predetermined interval, the wiring work toward the optical communication processing unit of the extension (first) optical fiber cable A and the outside of the optical transmission device of the outer (second) optical fiber cable B All wiring work can be made easy.

  Hereinafter, the present embodiment will be further described with reference to further detailed drawings.

  5 is an overall configuration diagram of the optical transmission device, FIG. 6A is a front perspective view of the movable patch panel 13 of the optical wiring unit 10 pulled out to the front side, and FIG. 6B is a front perspective view of the movable patch panel 13 of the optical wiring unit 10. FIG. 7 is an exploded perspective view of the optical wiring unit 10.

  As shown in FIG. 5, the optical transmission apparatus has an optical wiring unit 10, a rack 20, and an optical signal processing unit 30, and the rack 20 can be equipped with a plurality of devices. The unit 30 is mounted, and the optical wiring unit 10 and the optical signal processing unit 30 are connected by an extension (first) optical fiber cable 50.

  6A, the optical wiring unit 10 includes a shelf (case) 11, a slide rail 12, movable patch panels 13, 80, 81, 82, an optical connector adapter 40, a front (first) cable guide. 15, a handle 17 with a lock, an extension (first) optical fiber cable 50, and a front wiring tray 21.

  Further, as shown in FIG. 6B, the optical wiring unit 10 includes a back (second) cable guide 16, an external (second) optical fiber cable 60, and a back wiring tray 22.

  Note that the inner (first) optical fiber cable 50 and the outer (second) optical fiber cable 60 are connected to all the optical connector adapters 40, but only a part of them are not shown in the present embodiment.

  In addition, the inner line (first) optical fiber cable 50 and the outer line (second) optical fiber cable 60 are shown as a single fiber cable bundle by grouping a plurality of wires for each wiring route except the periphery of the optical connector adapter 40. Show.

  The optical wiring unit 10 relays an external (second) optical fiber cable 60 introduced from the outside of the rack 20 with the optical connector adapter 40, and connects to the rack 20 via the extension (first) optical fiber cable 50. For connecting to the mounted optical signal processing unit 30, an external (second) optical fiber cable 60 from the outside of the rack 20 is connected to the back side of the optical connector adapter 40 shown in FIG. 6B. Are connected to the optical signal processing unit 30 mounted on the rack 20 via an extension (first) optical fiber cable 50.

  The outline of the present optical wiring unit 10 will be described with reference to FIG.

  The optical wiring unit includes a shelf (case) 11, and the shelf (case) 11 includes a case lower part 111 and a cover 112. Four sets of movable patch panels 13, 80, 81, 82 are mounted inside the shelf (case) 11. The movable patch panels 13, 80, 81, 82 are connected to the case lower part 111 via slide rails 12 that can be expanded and contracted to the front side and the back side. A front (first) cable guide 15 and a back (second) cable guide 16 are mounted on the upper part of the movable patch panel 13, and one end of the front (first) cable guide 15 is a movable patch. The panel 13 is fixed to the front side end, and the other end is connected to the front side end of the case lower part 111. One end of the back (second) cable guide 16 is fixed to the back side end of the movable patch panel 13, and the other end is fixed to the back side end of the case lower part 111. A front wiring tray 21 and a rear wiring tray 22 are mounted on the top of the cover 112.

  Since the four sets of movable patch panels have basically the same structure, the detailed structure of the optical wiring unit 10 will be described below with a focus on the movable patch panel 13.

  FIG. 8 is a front perspective view of the movable patch panel 13.

  The optical connector adapter 40 is mounted on the movable patch panel 13 in a state where the optical connector adapter 40 is inclined by 45 degrees with respect to the longitudinal direction (first direction) of the movable patch panel 13. As described above, the inclination angle of the optical connector adapter 40 is preferably in the range of 35 to 55 degrees. The optical connector adapter 40 is inserted with the optical connectors at the distal ends of the inner (first) optical fiber cable 50 and the outer (second) optical fiber cable 60.

  FIG. 9 shows a partially enlarged view of the rear perspective view of the movable patch panel 13.

  The movable patch panel 13 includes a plurality of optical connector adapter mounting holes 131 arranged in the height direction (vertical direction) and the apparatus depth direction (first direction) for mounting the optical connector adapter 40. Further, the optical connector adapter mounting hole 131 faces a direction inclined by 45 degrees with respect to the longitudinal direction (first direction) of the movable patch panel 13.

  The optical connector adapter 40 is a relay connection between the extension (first) optical fiber cable 50 and the outer line (second) optical fiber cable 60, and the extension (first) light is connected to the front side of the optical connector adapter 40. An optical connector insertion portion 403 for connecting the extension optical connector 501 of the fiber cable 50 is provided, and an optical connector insertion portion 404 for connecting the external extension optical connector 601 of the external (second) optical fiber cable 60 is provided on the back side. The optical connector adapter has means for fixing to the movable patch panel 13 on the upper and lower surfaces.

  When the optical connector adapter 40 is inserted into the plurality of optical connector adapter mounting holes 131 of the movable patch panel 13 in the direction A shown in FIG. 9, the plurality of optical connector adapters 40 are arranged in the vertical direction of the movable patch panel 13 ( A plurality of devices are mounted side by side in the vertical direction) and the apparatus depth direction (first direction). The required number of optical connector adapter mounting holes 131 are provided in the movable patch panel 13 so that the required number of optical connector adapters 40 can be attached (two in this embodiment, 16 in the apparatus depth direction (first direction)). It is provided. In order to reduce the mounting area of the movable patch panel 13 on the rack 20, it is effective to provide a large number of optical connector adapter mounting holes 131 in the apparatus depth direction (first direction). Since the size of the panel 13 in the depth direction (first direction) is increased, the depth direction (first direction) of the optical connector adapter mounting hole 131 is set so as to be within the depth direction (first direction) size of the rack 20. ) Quantity needs to be adjusted.

  FIG. 10 is a detailed view of attachment of the slide rail 12 and the movable patch panel 13 to the case lower part 111.

  The case lower part 111 has a slide rail fixing screw hole 113 for fixing the slide rail 12. The slide rail 12 has a retractable mechanism on the front side (first side) and the back side (second side), a fixing hole 121 for the case used for fixing to the case lower part 111 and a movable patch panel. A fixing hole 122 is provided. In FIG. 10, the slide rail 12 is in a state of extending to the front side. The movable patch panel 13 has a slide rail fixing screw hole 137 for fixing to the slide rail 12. The slide rail 12 is screwed to the case lower part 111, and the movable patch panel 13 is screwed to the slide rail 12. In this state, the movable patch panel 13 is attached to the slide rail 12 that can be expanded and contracted on the front side (first side) and the back side (second side), so that the front side (first side) and the back side ( It is possible to slide to the second side.

  11A and 11B, a method of attaching the front (first) cable guide 15 to the case lower part 111 and the movable patch panel 13 will be described. FIG. 11A is an attachment diagram of the front (first) cable guide 15 to the case lower part 111 and the movable patch panel 13. FIG. 11B is a top view of the optical wiring unit 10 in a state where the movable patch panel 13 is drawn to the front side (first side) to the maximum extent. The wiring tray and the optical fiber cable are not shown.

  The front (first) cable guide 15 has a fixing hole 151 for the case and a fixing hole 152 for the movable patch panel. The front (first) cable guide 15 has a structure that bends freely while maintaining the minimum bending radius of the optical fiber cable. The case lower part 111 has a receiving shelf 23 for mounting a cable guide, and the receiving shelf 23 has a cable guide fixing screw hole 231 for fixing the front (first) cable guide 15. The movable patch panel 13 has a receiving shelf 133 for mounting the front (first) cable guide 15, and the receiving shelf 133 is a cable for fixing the front (first) cable guide 15. A guide fixing screw hole 134 is provided.

  As shown in FIG. 11A, the position of the hole 151 for fixing the front (first) cable guide 15 to the case with respect to the screw hole 231 for fixing the cable guide provided in the receiving shelf 23 of the lower case 111 is as follows. In addition, screws are fixed so that the portion provided with the fixing hole 151 for the case can be rotated. Further, with respect to the cable guide fixing screw hole 134 provided in the receiving shelf 133 of the movable patch panel 13, the position of the fixing hole 152 to the movable patch panel of the front (first) cable guide 15 is set. At the same time, the front (first) cable guide 15 is fixed with screws so that the portion provided with the fixing hole 152 for the movable patch panel can be rotated. At this time, the front (first) cable guide 15 is fixed in a state of being bent into a U-shape. The length of the front (first) cable guide 15 is about half that of the movable patch panel 13 in a bent state.

  In this state, since one end of the front (first) cable guide 15 is fixed to the movable patch panel 13, as shown in FIG. The front (first) cable guide 15 is completely exposed from the shelf (case) 11 in a state where one end of the first (first) cable guide 15 is pulled out and the movable patch panel 13 is pulled out to the maximum extent. The accommodating operation of the extension (first) optical fiber cable 50 to the front (first) cable guide 15 can be easily performed.

  12A and 12B, a method of attaching the back side (second) cable guide 16 to the case lower part 111 and the movable patch panel 13 will be described. FIG. 12A is an attachment view of the back (second) cable guide 16 to the case lower part 111 and the movable patch panel 13. FIG. 12B is a top view of the optical wiring unit 10 in a state where the movable patch panel 13 is pulled out to the back side (second side) to the maximum extent. The wiring tray and the optical fiber cable are not shown.

  The back (second) cable guide 16 has a fixing hole 161 for the case and a fixing hole 162 for the movable patch panel. Further, the back (second) cable guide 16 has a structure that bends freely while maintaining the minimum bending radius of the optical fiber cable. The case lower part 111 has a receiving shelf 23 for mounting a cable guide, and the receiving shelf 23 has a cable guide fixing screw hole 232 for fixing the rear (second) cable guide 16. The movable patch panel 13 has a receiving shelf 133 for mounting the back (second) cable guide 16, and the receiving shelf 133 is a cable for fixing the back (second) cable guide 16. A guide fixing screw hole 135 is provided.

  As shown in FIG. 12A, the position of the fixing hole 161 for fixing the back (second) cable guide 16 to the case with respect to the cable guide fixing screw hole 232 provided in the receiving shelf 23 of the case lower portion 111. In addition, the rear (second) cable guide 16 is fixed with screws so that the portion provided with the fixing hole 161 to the case can be rotated. Further, with respect to the cable guide fixing screw hole 135 provided in the receiving shelf 133 of the movable patch panel 13, the position of the fixing hole 162 to the movable patch panel of the rear (second) cable guide 16 is set. In addition, the rear (second) cable guide 16 is screwed so that the portion provided with the fixing hole 162 for the movable patch panel can be rotated. At this time, the back side (second) cable guide 16 is fixed in a state of being bent into a U-shape. The length of the back (second) cable guide 16 is about half that of the movable patch panel 13 in a bent state.

  In this state, since one end of the rear (second) cable guide 16 is fixed to the movable patch panel 13, as shown in FIG. Since one end of the second) cable guide 16 is pulled out and the movable patch panel 13 is pulled out to the maximum extent, the rear (second) cable guide 16 is completely exposed from the shelf (case) 11, The accommodating operation of the outer (second) optical fiber cable 60 to the rear (second) cable guide 16 can be easily performed.

  13 is used to connect the internal (first) optical fiber cable 50 to the optical connector adapter 40, and FIG. 14 is used to connect the external (second) optical fiber cable 60 to the optical connector adapter 40. Indicates. FIG. 13 is an enlarged view of the front side (first side) end of the movable patch panel 13 for explaining the operation of connecting the extension (first) optical fiber cable 50 to the optical connector adapter 40. FIG. 14 is an enlarged view of the rear side (second side) end of the movable patch panel 13 for explaining the connection work of the external (second) optical fiber cable 60 to the optical connector adapter 40. In both FIGS. 13 and 14, the optical fiber cable bundle is omitted. Here, the optical connector adapter 40 is mounted on the movable patch panel 13.

  As shown in FIG. 13, when the extension optical connector 501 of the extension (first) optical fiber cable 50 is inserted into the optical connector insertion portion 403 provided in the optical connector adapter 40, the extension connector lock 502 of the extension optical connector 501 is released. The extension optical connector 501 is fixed to the optical connector insertion portion 403, and the extension (first) optical fiber cable 50 is connected to the optical connector adapter 40.

  Further, as shown in FIG. 14, when the external optical connector 601 of the external optical fiber cable 60 is inserted into the optical connector insertion portion 404 provided in the optical connector adapter 40, the external connector lock of the external optical connector 601 is achieved. Reference numeral 602 denotes a mechanism that suppresses movement in the removal direction. The external optical connector 601 is fixed to the optical connector insertion portion 404, and the external (second) optical fiber cable 60 is connected to the optical connector adapter 40.

  Next, the connection release work will be described.

  The extension optical connector 501 is disconnected by depressing the extension connector lock 502 of the extension optical connector 501 to release the movement restraint in the removal direction, and the optical connector insertion portion 403 and the extension optical connector 501 are released from being fixed. The connection between the (first) optical fiber cable 50 and the optical connector adapter 40 is released.

  Similarly, in the operation of releasing the connection of the external optical connector 601, the suppression of movement in the removal direction is released by pressing the external line connector lock 602 of the external optical connector 601, and the fixation of the optical connector insertion portion 404 and the external optical connector 601 is released. Then, the connection between the outer line (second) optical fiber cable 60 and the optical connector adapter 40 is released.

  The operation work of the movable patch panel 13 during the optical fiber connector connection work and the connection release work will be described with reference to FIGS. 15A and 15B. FIG. 15A is a front perspective view of the optical wiring unit 10 with the movable patch panel 13 pulled out to the front side. FIG. 15B is an enlarged view of a portion B in FIG. 15A.

  At the time of the connection work and the connection release work, the optical fiber cable (internal (first) optical fiber cable 50 or external (second) optical fiber cable 60) on the side where the connection work and the connection release work are to be performed is mounted. Pull out the movable patch panel 13 to the side. In the example of FIG. 15A, since the extension (first) optical fiber cable 50 is mounted on the front side (first side), the movable patch panel 13 is pulled out on the front side (first side). The extension optical connector 501 is connected or released. When performing the connection or release operation of the external optical connector 601, the movable patch panel 13 is pulled out to the back side (second side) and the operation is performed.

  The optical adapter connector 40 is attached so as to be inclined with respect to the movable patch panel 13, and has a structure that allows easy insertion and removal of the target optical fiber cable on each work surface.

  15B, the left side (fourth side) of the movable patch panel 13 as viewed from the front side (first side) is a surface to which the extension optical connector 501 is connected. The optical connector insertion portion 403 faces obliquely forward on this surface, and has a structure that facilitates work when the extension optical connector 50 is inserted and removed from the front side.

  In this embodiment, the inner line (first) optical fiber cable 50 is wired from the front side (first side), and the outer line (second) optical fiber cable 60 is wired from the rear side (second side). Even if the outside (first) optical fiber cable 60 is wired from the front side (first side) and the extension (first) optical fiber cable 50 is wired from the back side (second side), the front and back are reversed. good.

  Further, by tilting the optical connector adapter 40 obliquely with respect to the movable patch panel 13, there is also an effect of suppressing the area in the width direction of the optical wiring unit 10 necessary for securing the allowable minimum bending radius of the optical fiber cable. is there.

  For example, as shown in FIG. 16, with respect to the movable patch panel 91 housed in the case 90, the orientation of the optical connector adapter 40 is 90 with respect to the pull-out direction (first direction) of the movable patch panel 91. When the direction is perpendicular, the area necessary for securing the minimum bending radius of the inner (first) optical fiber cable 50 and the outer (second) optical fiber cable 60 is enlarged as compared with the present embodiment. Therefore, in the case of being accommodated in a general 19-inch wide rack 20, in the case of this embodiment, four movable patch panels can be accommodated, but in the case of the example of FIG. 16, only two movable patches are possible. The panel 91 cannot be accommodated.

  In this embodiment, the optical connector adapter 40 is inclined 45 degrees obliquely with respect to the movable patch panel 13, but the optical connector insertion / extraction workability is good, and the allowable bending radius of the optical fiber cable is set to the width of the optical wiring unit 10. This angle may be adjusted appropriately if it can be secured in the direction. As described above, this angle is preferably adjusted within a range of 35 to 55 degrees.

  Furthermore, it is possible to adopt a structure in which this angle can be freely changed when the optical connector is inserted and removed.

  The wiring route of the extension (first) optical fiber cable 50 inside the optical wiring unit will be described with reference to FIGS. 17A to 17C. FIG. 17 is a front perspective view of the periphery of the front surface of the optical wiring unit 10 in a state where the movable patch panel 13 is pulled out to the front side (first side). For the sake of explanation, the cover 112 of the shelf (case) 11, the movable type The receiving shelf 133 and the wiring tray of the patch panel 13 are omitted from the illustration. Further, only the extension (first) optical fiber cable 50 introduced into the movable patch panel 13 is shown. The external (second) optical fiber cable 60 is not shown. FIG. 17B is an enlarged view of the guide portion 153 and the lock portion 154, and FIG. 17C is an enlarged view of the guide portion 153 and the lock portion 154, in which the lock portion 154 is released.

  The extension (first) optical fiber cable 50 in which the extension optical connector 501 is inserted into the optical connector insertion portion 403 of the predetermined optical connector adapter 40 is drawn out to the front side (first side), while ensuring an allowable minimum bending radius. It is taken upward and introduced into the front (first) cable guide 15 from the front side (first side) portion where the fixing hole 152 for the movable patch panel 13 is provided. The front (first) cable guide 15 includes a plurality of guide portions 153 and lock portions 154. As shown in the enlarged views of FIG. 17B and FIG. 17C, the lock portion 154 has a structure that can be released from the guide portion 153 by one touch of raising from below, and the guide portion 153 is opened with the lock portion 154 opened. The extension (first) optical fiber cable 50 is accommodated in After the extension (first) optical fiber cable 50 is placed in all the guide portions 153, the front (first) cable guide 15 is pulled out from the portion having the fixing hole 151 to the case, and is omitted in FIG. The front wiring tray 21 is passed.

  Similarly, the required number of extension (first) optical fiber cables 50 are mounted in the optical wiring unit 10. After the wiring of all the extension (first) optical fiber cables 50 is completed, all the lock portions 154 of the front (first) cable guide 15 are pushed down to change from the state of FIG. 17C to the state of FIG. 17B. The movable patch panel 13 is pushed in and stored in the shelf (case) 11. In the present embodiment, a maximum of 128 extension (first) optical fiber cables 50 can be accommodated in one movable patch panel 13. Since a maximum of four movable patch panels can be mounted on one optical wiring unit 10, 512 extension (first) optical fiber cables 50 can be accommodated in one optical wiring unit 10. In this embodiment, the height of the optical wiring unit 10 including the upper wiring tray is 4U, and the conventional technology as shown in FIG. 25 requires a height of 9U to accommodate 512 optical fiber cables. Therefore, the mounting density per area in the rack 20 is greatly improved.

  The wiring route of the external (second) optical fiber cable 60 inside the optical wiring unit will be described with reference to FIG. FIG. 18 is a rear perspective view of the periphery of the optical wiring unit 10 in a state where the movable patch panel 13 is pulled out to the rear side (second side). For the sake of explanation, the cover 112 of the shelf (case) 11, the movable type is shown. The receiving shelf 133 and the wiring tray of the patch panel 13 are omitted from the illustration. Further, only the external line (second) optical fiber cable 60 introduced into the movable patch panel 13 is shown. The extension (first) optical fiber cable 50 is not shown.

  The external (second) optical fiber cable 60 in which the external optical connector 601 is inserted into the optical connector insertion portion 404 of the predetermined optical connector adapter 40 is drawn out to the back side (second side) while ensuring an allowable minimum bending radius. Bring the movable patch panel 13 across the back side (second side) in an obliquely upward direction, and use it from the back side (second side) where the fixing patch 162 to the movable patch panel 13 is located for the back side ( It is introduced into the second) cable guide 16. The back (second) cable guide 16 includes a plurality of guide portions 163 and a lock portion 164. The lock portion 164 has a structure that can be opened with one touch, and the guide portion 163 with the lock portion 164 opened. The outer (second) optical fiber cable 600 is housed inside. After the outer (second) optical fiber cable 60 is housed in all the guide portions 163, the rear (second) cable guide 16 is pulled out from the portion having the fixing hole 161 to the case, and is omitted in FIG. The rear wiring tray 22 is passed.

  Similarly, the required number of external (second) optical fiber cables 60 are mounted in the optical wiring unit 10.

As described above, the extension (first) optical fiber cable 50 and the outside (second) optical fiber cable 60 are connected via the optical connector adapter 40.
A wiring route from the rack 20 to each movable patch panel will be described with reference to FIG. 19A. FIG. 19A is a front view of the optical transmission apparatus of the present invention.

  The rack 20 has a rack side 201 which is a left rack side and a rack side 202 which is a right rack side when viewed from the front. The optical wiring unit 10 has four movable patch panels 13, 80, 81, and 82, and a front wiring tray 21 at the top.

  Note that the extension (first) optical fiber cable 50 wired to the rack side 201 on the left side of the rack 20 is wired only from the leftmost movable patch panel 82 while ensuring an allowable minimum bending radius. Wiring is sufficient, but when wiring from other movable patch panels 13, 80, 81, the movable patch panels 80, 81, 82 on the left side of each movable patch panel 13, 80, 81 are pulled out. Therefore, it is necessary to perform wiring so as to avoid this. For this reason, when the extension (first) optical fiber cable 50 is wired to the movable patch panels 13, 80, 81, the wiring is routed via the front wiring tray 21 provided at the top of the optical wiring unit 10. To do.

  Specifically, wiring for the second movable patch panel 81 from the left will be described. The extension (first) optical fiber cable 50 extracted from the portion where the fixing hole 151 to the case of the front (first) cable guide 15 of the movable patch panel 81 is secured has an allowable minimum bending radius. However, it is wired upward and introduced into the front wiring tray 21 at a portion on the movable patch panel 81. After being introduced into the front wiring tray 21, the wiring is crossed over the movable patch panel 82 to the rack side 201.

  Similarly, the other movable patch panels 13 and 80 are for the front surface of the upper part of the optical wiring unit 10 so as not to obstruct the insertion / extraction of the movable patch panels 80, 81 and 82 on the left side of the movable patch panels 13 and 80. Wiring is performed from the movable patch panels 13 and 80 to the rack side 201 through the wiring tray 21.

  In the above-described wiring route example, all the extension (first) optical fiber cables 50 pass through the left rack side 201. However, like the wiring route example 1 shown in FIG. 202, and in this case, all the wiring including the inside of the front wiring tray 21 may be symmetric with respect to the case where the left rack side 201 is passed. Further, as in wiring route example 2 shown in FIG. 19C, wiring from the movable patch panels 82 and 81 is routed to the left rack side 201, and wiring from the movable patch panels 80 and 13 is wired to the right rack side 202. In this case, the wiring from each movable patch panel to each rack side is a symmetrical wiring. 19D, wiring from the movable patch panels 80, 81, 82 is routed to the left rack side 201, and wiring from the movable patch panel 13 is wired to the right rack side 202. You may do it. On the other hand, as in the wiring route example 4 shown in FIG. 19E, wiring from the movable patch panel 82 is directed to the left rack side 201, and wiring from the movable patch panels 13, 80, 81 is directed to the right rack side 202. You may wire.

  The wiring route from each movable patch panel to the rack 20 has been described by taking the front side (first side) extension (first) optical fiber cable 50 as an example, but the back side (second side) external line. The optical fiber 60 is similarly wired.

  The front wiring tray 21 will be described with reference to FIGS. 20A and 20B. 20A shows a state in which the front wiring tray 21 is pulled out to the front side, and FIG. 20B shows a state in which the front wiring tray 21 is inserted and accommodated. Only the optical fiber cable 50 for the movable patch panel 13 is shown, and the movable patch panel 13 is drawn to the front side (first side). Further, the extension optical connector 501 and the receiving shelf 133 of the movable patch panel 13 are not shown.

  A front wiring tray 21 is slidably mounted on the optical wiring unit 10 in the front-rear direction, and a plurality of guide members 211 are mounted on the front wiring tray 21. The extension (first) optical fiber cable 50 introduced from the movable patch panel side can be wired to the rack side via the front wiring tray 21.

  When there is no other communication device or the like above the front wiring tray 21, it is possible to access the guide member 211 of the front wiring tray 21 with the front wiring tray 21 accommodated as shown in FIG. 20B. Although wiring work can be performed, when another communication device or the like is installed above the front wiring tray 21, the guide member 211 of the front wiring tray 21 is hidden under the other communication device or the like. Therefore, the wiring work becomes difficult. Therefore, the front wiring tray 21 is pulled out to the front side (first side) as shown in FIG. 20A, and wiring work to the front wiring tray 21 is performed in this state. However, as shown in FIG. 20A, even if the movable patch panel 13 is pulled out to the front side (first side) with the front wiring tray 21 pulled out to the front side (first side), the front side (first side) ) Since the cable guide 15 is not completely exposed and a part of the guide portion 153 is hidden under the front wiring tray 21 and is difficult to access, the front wiring tray 21 is inserted as shown in FIG. 20B. The accessibility to the front (first) cable guide 15 is ensured.

  As for the position of the guide member 211, it can be arranged at various locations in the front wiring tray 21, and can correspond to each pattern of passing either the rack side 201 or the rack side 202 described in FIGS. 19A to 19E. It has a simple structure.

  Although the front wiring tray 21 has been described above, the rear wiring tray 22 has the same structure, and the wiring of the external (second) optical fiber cable 60 has the same concept as the front (first) side. Can be applied.

  The lock mechanism of the movable patch panel will be described with reference to FIGS. 21A to 21E. FIG. 21A is a front view of the optical wiring unit 10. The wiring tray and the optical fiber cable are not shown. 21B is a cross-sectional view taken along the line CC of FIG. 21A. FIG. 21C is an enlarged view of a portion D in FIG. 21B and is a state diagram in which the movable patch panel is locked. FIG. 21D is an enlarged view of a portion D in FIG. 21B and is a state diagram in which the movable patch panel is unlocked. FIG. 21E is an enlarged view of a portion D in FIG. 21B and is a state diagram in which the movable patch panel is pulled out.

  Each movable patch panel includes a handle 17 with a lock. Hereinafter, the movable patch panel 13 will be described as an example. FIG. 21C is a state diagram in which the movable patch panel 13 is accommodated. In this state, the lock 172 of the handle 17 with the lock is caught by the lock receiver 114 of the lower case 111, and the movable patch panel 13 cannot be pulled out in the direction E.

  As shown in FIG. 21D, when the handle 171 of the handle 17 with the lock is pushed down, the lock 172 moves upward, the catch with the lock receiver 114 is released, and the movable patch panel 13 becomes movable in the direction of E. The type patch panel 13 can be pulled out.

  Next, at the time of insertion, as shown in FIG. 21E, when the movable patch panel 13 is moved in the direction of F, the lock 172 gets over the slope portion of the lock receiver 114, and after the ride, the lock 172 is automatically turned on. To the lower position, the state shown in FIG.

  By providing the above-described locking mechanism on both the front side (first side) and the back side (second side) of the movable patch panel 13, either the front side (first side) or the back side (second side) is provided. Therefore, the lock can be released and the movable patch panel 13 can be pulled out.

  Further, as is clear from FIG. 21C, since the front side (first side) needs to be unlocked when pulled out to the front side (first side), the movable patch panel can be opened from the back side (second side). The movable patch panel 13 will not accidentally jump out to the front side (first side) when 13 is inserted. Similarly, the movable patch panel 13 does not accidentally jump out to the back side (second side) when inserted from the front side (first side).

The address display of the movable patch panel 13 will be described with reference to FIG. FIG. 22 is a partially enlarged perspective view of the front side of the movable patch panel 13. The receiving shelf 133 is omitted from the illustration.

  An address display 115 is provided at a corresponding position of each optical connector insertion portion 403 of the optical connector adapter 40 mounted on the movable patch panel 13, and an address display 115 is provided on the upper surface of the optical connector adapter. The address display 116 corresponding to is made. These address indications 115 and 116 make it possible to easily determine the connection destination even when a large number of optical connector adapters 40 are mounted side by side. In addition, the same address display is made on the movable patch panels 80, 81, 82.

  The fiber cover 14 will be described with reference to FIG. 23 taking the extension optical fiber 50 side of the movable patch panel 13 as an example. FIG. 23 is a front perspective view of the periphery of the movable patch panel 13 of the optical wiring unit 10. Only the extension (first) optical fiber cable 50 for the movable patch panel 13 is shown. The movable patch panel 13 is pulled out to the front side (first side).

  Since each movable patch panel is inserted and removed for maintenance even when the optical transmission device is in communication service, the minimum allowable bend radius required to maintain the performance or disconnection of the optical fiber cable during the insertion / extraction operation. The fiber optic cable shall not bend below. In order to avoid such an event that may cause interruption or failure of the communication service, the fiber cover 14 is attached so as to cover the extension (first) optical fiber cable 50 as shown in FIG.

A procedure for attaching the fiber cover 14 will be described with reference to FIG. 24A. FIG. 24A is a rear perspective view of the movable patch panel 13 and shows a state before the fiber cover 14 is attached. The receiving shelf 133 of the movable patch panel 13 is not shown. The bundle of extension (first) optical fiber cables 50 is not shown, but only a part of the extension optical connector 501 is shown.

The movable patch panel 13 has a guide opening 18 and a latch hole 136. The fiber cover 14 has a positioning protrusion 141 and a NILatch (registered trademark) 142. As shown in FIG. 24A, the positioning protrusion 141 of the fiber cover 14 is inserted into the guide opening 18 provided in the movable patch panel 13. After the insertion, the fiber cover 14 can be easily attached by fitting and fixing the ny latch 142 in the latch hole 136 of the movable patch panel 13.

  The ny latch 142 is preferably fixed to the front side (first side) end of the movable patch panel 13. As shown in FIG. 23, the fiber cover 14 is not completely exposed from the shelf (case) 11 even when the movable patch panel 13 is pulled out to the maximum, so that the ny latch 142 is provided at the end on the back side (second side). If is mounted, workability is greatly impaired.

The guide opening 18 will be described in more detail with reference to FIG. 24B. FIG. 24B is a rear perspective view around the opening 18 with guide.

  The guided opening 18 includes a guide 181. Since the width G of the opening 18 with guide is sufficiently wider than the width H of the positioning protrusion 141, and the vertical angle of the positioning protrusion 141 is chamfered, the positioning protrusion 141 can be easily inserted into the opening 18 with guide. . When completely inserted, the position of the positioning projection 141 in the width direction is determined by the guide 181 as shown in FIG. 24B, and the vertical dimension of the portion without the chamfer of the positioning projection 141 in the height direction is also determined by the guide. Since the dimensional relationship is slightly smaller than the vertical dimension of the attachment opening 18, the position in the height direction can also be determined.

  The fiber cover 14 has been described by taking the inner line (first) optical fiber cable 50 side as an example, but the same fiber cover 14 is also mounted on the outer line (second) optical fiber cable 60 side. When attaching the fiber cover 14 to the outside (second) optical fiber cable 60 side, the movable patch panel 13 is operated in a state of being pulled out to the back side (second side). The position where the fiber cover 14 on the optical fiber cable 60 side is fixed to the ny latch 142 is the end of the movable patch panel 13 on the back side (second side). The fiber cover 14 is similarly mounted on the other movable patch panels 80, 81, 82.

DESCRIPTION OF SYMBOLS 1 ... Case, 2-a-d ... Movable patch panel part, 3-a1-d1 ... 1st optical fiber cable insertion part, 3-a2-d2 ... 2nd optical fiber cable insertion part, 4-a- d ... extra length accommodating means, cable guide, 4-a1 to d1 ... first cable guide, 4-a2-d2 ... second cable guide, 5 ... case, 10 ... optical wiring unit, 11 ... shelf (case) , 12 ... Slide rail, 13, 80, 81, 82 ... Movable patch panel, 14 ... Fiber cover, 15 ... Front (first) cable guide, 16 ... Back (second) cable guide, 17 ... Handle with lock, 18 ... opening with guide, 20 ... rack, 21 ... front wiring tray, 22 ... back wiring tray, 23 ... receiving shelf, 30 ... optical signal processing unit, 40 ... optical connector adapter, 50 ... extension ( 1st) optical fiber cable, 60 ... external (second) optical fiber cable

Claims (12)

Case and
A patch panel portion extending in the first direction and vertically provided in the case, and capable of being drawn out to the first side in the first direction;
A first optical fiber cable insertion portion provided on a third side in a second direction orthogonal to the first direction of the patch panel portion;
A second optical fiber cable insertion portion provided on the fourth side opposite to the third side of the patch panel portion,
In the state where the patch panel portion is housed in the case, the extra length accommodating means for the optical fiber cable is provided above the patch panel portion, the first optical fiber cable insertion portion, and the second optical fiber cable insertion portion. An optical wiring unit characterized by comprising: The optical wiring unit according to claim 1,
The extra length accommodation means is constituted by a flexible cable guide,
The cable guide is above the patch panel portion, the first optical fiber cable insertion portion, and the second optical fiber cable insertion portion in a state where the patch panel portion is housed in the case, and Provided on the first side portion in one direction,
One end of the cable guide is locked to an end portion on the first side in the first direction of the patch panel portion,
An optical wiring unit, wherein the other end of the cable guide is locked to a case. The optical wiring unit according to claim 2,
The optical wiring unit, wherein the cable guide is exposed to the outside of the case by pulling out the patch panel portion from the case to the first side in the first direction. The optical wiring unit according to claim 3,
A plurality of first optical fiber cables connected to the patch panel portion at the first optical fiber cable insertion portion in a state where the patch panel portion is pulled out from the case to the first side in the first direction; A plurality of second optical fiber cables connected to the patch panel portion at the second optical fiber cable insertion portion are wired in the cable guide. The optical wiring unit according to claim 4,
In the state where the patch panel portion is housed in the case,
The cable guide includes a first straight part, a second straight part, and a first folded part that connects the first and second straight parts,
The first straight portion extends along the first direction above the first optical fiber cable insertion portion,
The second straight portion extends along the first direction above the second optical fiber cable insertion portion,
The first folded portion crosses above the patch panel portion in the vicinity of the center portion in the first direction of the patch panel portion and extends in the first direction of the patch panel portion of the first and second straight portions. An optical wiring unit characterized by being connected to each end on the center side. The optical wiring unit according to claim 1,
The patch panel portion can be further pulled out to the second side opposite to the first side in the first direction,
The extra length accommodation means is constituted by a flexible first cable guide and a second cable guide,
The first cable guide is located above the patch panel portion, the first optical fiber cable insertion portion, and the second optical fiber cable insertion portion in a state where the patch panel portion is housed in the case. And provided on the first side portion in the first direction,
The second cable guide is located above the patch panel portion, the first optical fiber cable insertion portion, and the second optical fiber cable insertion portion in a state where the patch panel portion is housed in the case. And provided in the second side portion of the first direction,
One end of the first cable guide is locked to an end portion on the first side in the first direction of the patch panel portion,
The other end of the first cable guide is locked to the case;
One end of the second cable guide is locked to an end portion on the second side in the first direction of the patch panel portion,
An optical wiring unit, wherein the other end of the second cable guide is locked to the case. The optical wiring unit according to claim 6,
By pulling out the patch panel portion from the case to the first side in the first direction, the first cable guide is exposed to the outside of the case,
The optical wiring unit, wherein the second cable guide is exposed to the outside of the case by pulling out the patch panel portion from the case to the second side in the first direction. The optical wiring unit according to claim 7,
A plurality of first panels connected to the patch panel section at one of the first and second optical fiber cable insertion sections with the patch panel section pulled out from the case to the first side in the first direction. A fiber optic cable is routed in the first cable guide;
A plurality of second panels connected to the patch panel section at the other of the first and second optical fiber cable insertion sections in a state where the patch panel section is pulled out from the case to the second side in the first direction. An optical wiring unit, wherein an optical fiber cable is wired in the second cable guide. The optical wiring unit according to claim 8,
In the state where the patch panel portion is housed in the case,
The first cable guide includes a first straight portion, a second straight portion, and a first folded portion that connects the first and second straight portions,
The first straight portion extends along the first direction above the first optical fiber cable insertion portion,
The second straight portion extends along the first direction above the second optical fiber cable insertion portion,
The first folded portion crosses above the patch panel portion in the vicinity of the center portion in the first direction of the patch panel portion and extends in the first direction of the patch panel portion of the first and second straight portions. It is connected to each end on the center side,
The second cable guide includes a third straight portion, a fourth straight portion, and a second folded portion that connects the third and fourth straight portions,
The third straight portion extends along the first direction above the first optical fiber cable insertion portion,
The fourth straight portion extends along the first direction above the second optical fiber cable insertion portion,
The second folded portion crosses above the patch panel portion in the vicinity of the center portion in the first direction of the patch panel portion and extends in the first direction of the patch panel portion of the third and fourth straight portions. An optical wiring unit characterized by being connected to each end on the center side. An optical wiring unit according to any one of claims 6 to 9,
The patch panel unit includes a plurality of optical connector adapters for inserting optical connectors at the tips of the first and second optical fiber cables,
An optical wiring unit, wherein the optical connector adapter is attached to the patch panel portion with an inclination. The optical wiring unit according to claim 10,
An optical wiring unit, wherein an angle formed by a first direction in which the optical connector adapter and the patch panel portion extend is in a range of 35 ° to 55 °. It is an optical wiring unit in any one of Claims 6-11,
An optical wiring unit characterized in that a lock is applied when the patch panel unit is housed in the case, and the lock can be released from either the first side or the second side.

Images