JP2004347967A - Optical wiring equipment and intra-office wiring box - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide optical wiring equipment capable of preventing entanglement of bridge wiring each other and enhancing the workability of connection, change-over and so on. <P>SOLUTION: The optical wiring equipment comprises a plurality of optical wiring boards which are collected and arranged in the left and right direction and in the forth and back direction and a plurality of intra-office wiring boxes 3 which are disposed on the upper side or the lower side of the respective optical wiring boards and arranged side by side in the horizontal direction. The bridge wiring between the optical wiring boards are allowed to pass through the inside of a plurality of the intra-office wiring boxes 3 and are wired. The intra-office wiring boxes 3 have at least upper and lower two stages 20, 21, at least one stage of a plurality of the stages is made to be a left and right direction wiring part 21 through which the bridge wiring between the optical wiring boards arranged in the left and right direction is allowed to pass, and at least one stage other than the left and right direction wiring part among a plurality of the stages is made to be the forth and back direction wiring part 20 through which the bridge wiring between the optical wiring boards arranged in the forth and back direction is allowed to pass. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an optical wiring facility provided with a plurality of optical wiring boards, and an optical wiring board.
[0002]
[Prior art]
Conventionally, a wiring box has been installed above or below the optical distribution board to freely route the distribution wiring between the assembled optical distribution boards. 2. Description of the Related Art There is known an optical wiring facility which is wired via a cable (for example, see Patent Document 1).
[0003]
[Patent Document 1]
JP-A-10-293214
[Problems to be solved by the invention]
However, in the above-described optical distribution equipment as a conventional technique, a plurality of optical distribution boards are arranged in the left-right direction and the front-back direction, and a plurality of inter-connecting wiring boxes are respectively installed above or below the plurality of optical distribution boards. In the case where the distribution wiring of the optical wiring board is routed through the corresponding wiring box, the wiring box has two tiers in the vertical direction. When wiring between the optical distribution boards arranged in the front-rear direction and between the plurality of optical distribution boards arranged in the front-rear direction, the wiring The device is not devised when performing the wiring, and if the number of the wirings is large, the wirings may be congested, and the workability such as connection switching may be reduced. In addition, when the number of optical distribution boards connected by distribution wiring using an inter-connecting wiring box is increased, the above-described congestion of the distribution wiring and a reduction in the workability of connection switching become remarkable. This hindered an increase in the number of optical distribution boards to be configured.
[0005]
The present invention has been made in view of the above problems, and an object of the present invention is to provide an optical wiring facility which prevents entanglement of crossover wiring and improves workability such as connection switching, and a wiring box between frames. I do.
[0006]
[Means for Solving the Problems]
To this end, the present invention provides a plurality of optical distribution boards arranged in the left-right direction and the front-rear direction, and a plurality of frames installed above or below each optical distribution board and arranged in a horizontal direction. A wiring box between the optical wiring boards, and the wiring between the optical wiring boards is routed via a plurality of wiring boxes, and the wiring box is at least two steps up and down. , At least one of the plurality of stages is a left-right wiring unit that passes through a wiring between optical wiring boards arranged in the left-right direction, and at least one of the plurality of stages other than the left-right wiring unit. The optical wiring equipment is characterized in that it is a front-rear wiring part which passes through a wiring between optical wiring boards arranged in the front-rear direction.
[0007]
According to this invention, the inter-connecting wiring box has at least two upper and lower stages, and any one of the plurality of stages is provided with a left-right wiring through a wiring between optical wiring boards arranged in the left-right direction. And at least one of the plurality of stages other than the left-right wiring portion is a front-rear wiring portion that passes through a wiring between optical wiring boards arranged in the front-rear direction. It is possible to prevent the optical fibers from being entangled due to the wiring between the optical distribution boards and the wiring between the optical distribution boards arranged in the front-rear direction, thereby improving the workability such as connection switching.
[0008]
Further, in the optical wiring equipment according to the present invention, in the left-right wiring part of the cross wiring box, the left-right wiring between the cross wiring boxes provided adjacent to each other in the left-right direction is collectively wired. The wiring area and the lead-in wiring area where the optical fibers to be routed between the wiring box above and below the wiring box via the wiring port of the wiring box are collectively wired. It is provided at a different position on the wiring board of the directional wiring part, and the left and right wiring areas of the inter-connecting wiring box adjacent in the left and right direction are adjacent to each other so as to be able to carry out wiring.
[0009]
According to the present invention, since the lead-in wiring area and the left-right wiring area are located at different positions on the wiring board, the optical fiber wired through the wiring port of the span wiring box, It is possible to prevent entanglement with an optical fiber as a crossover wiring in the left-right direction between inter-connecting wiring boxes provided next to each other in the direction, thereby improving workability such as connection switching. Further, since the left and right wiring areas of the wiring boxes that are adjacent in the left and right direction are adjacent to each other so that the wiring can be connected, the wiring between the wiring boxes that are adjacent in the left and right direction is facilitated.
[0010]
Further, the optical wiring equipment according to the present invention, in the front-rear wiring portion of the inter-connecting wiring box, for passing the crossover wiring in the front-rear direction between the lead-in wiring area and the inter-connecting wiring box provided adjacent in the front-rear direction. Communication wiring gates are provided, and the communication wiring gates are communicated with each other, so that cross-wiring in the front-rear direction can be performed between the lead-in wiring areas of a pair of bridge wiring boxes arranged in the front-rear direction. It is characterized by being.
[0011]
ADVANTAGE OF THE INVENTION According to this invention, the optical fiber drawn into the wiring box can be routed to the wiring box adjacently provided in the front-rear direction by a short path, and it is possible to prevent the optical fibers from being entangled. Thus, workability such as connection switching can be improved.
[0012]
Furthermore, in the optical wiring equipment according to the present invention, the front-rear direction wiring portion includes a left-right wiring region in which a cross wiring between the front-rear direction wiring portions of the bridge wiring box provided adjacently in the left-right direction is collectively wired. It is provided at a position shifted with respect to the lead-in wiring area, and between the left-right wiring areas of the front-rear wiring part of the bridge wiring box adjacent in the left-right direction is adjacent to each other so as to enable the right-left wiring. By passing through the left-right wiring area of the front-rear wiring part adjacently provided in the left-right direction, the optical fiber of the crossover wiring in the front-rear direction can be wired between optical wiring boards having different positions in the left-right direction. It is characterized by having.
[0013]
According to the present invention, since the left-right wiring area is provided at a position shifted from the lead-in wiring area, entanglement between optical fibers can be prevented, and workability such as connection switching can be improved. .
[0014]
In addition, the present invention provides a plurality of sets, and is disposed above or below optical wiring boards arranged in the left-right direction and the front-rear direction, and is arranged side by side in a plurality of horizontal directions, so that the wiring between the optical wiring boards is provided. A wiring box between the optical wiring boards arranged in the left and right direction, and a wiring section in the left and right direction, and provided above or below the wiring section in the left and right direction, and arranged in the front and rear direction And a wiring port for passing an optical fiber that is wired between the optical wiring board above or below the wiring box between the bridges. In the left-right wiring portion, a wiring is provided between a left-right wiring region in which a cross wiring between the inter-connecting wiring boxes adjacently provided in the left-right direction is collectively wired, and an optical wiring board via the wiring port. The lead-in wiring area where the optical fibers to be collected are collectively wired is the wiring of the horizontal wiring section. The front-rear wiring portion is provided at a different position above, and a lead-in wiring region in which optical fibers to be routed between the optical wiring board and the optical distribution board via a wiring port are collectively wired, and is provided adjacently in the front-rear direction. And a communication wiring gate for passing a connecting wire between the provided wiring boxes.
[0015]
ADVANTAGE OF THE INVENTION According to this invention, the wiring between the optical distribution boards arranged in the left-right direction, and the entanglement of the optical fibers due to the wiring between the optical distribution boards arranged in the front-rear direction is prevented, and the connection switching and the like are prevented. Workability can be improved.
Further, according to the present invention, the optical fiber drawn into the wiring box can be routed to the wiring box adjacent in the front-rear direction by a short route, thereby preventing the optical fibers from being entangled. Thus, workability such as connection switching can be improved.
Further, according to the present invention, since the left-right wiring area is provided at a position shifted from the lead-in wiring area, it is possible to prevent entanglement between optical fibers and improve workability such as connection switching. Can be.
[0016]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a front view showing an optical wiring facility 1 according to an embodiment of the present invention. The optical wiring facility 1 includes an optical connection board 2 and an inter-connecting wiring box 3 provided on the optical connection board 2.
[0017]
An optical fiber cable 5 is drawn into the housing 4 of the optical connection board 2 from below. These optical fiber cables 5 are arranged along the side plate 6 of the housing 4, fixed by a cable clamp 7 or a tension member clamp 8 at a branch portion at the lower part of the housing 4, and are led out to obtain an optical fiber core (hereinafter, referred to as an optical fiber core). , An optical fiber) 9. These optical fibers 9 are introduced from the left side in the drawing into each of the pull-out branch connection trays 11 stacked in multiple stages in the branch connection tray storage unit 10 installed in the housing 4, and the branch connection tray 11 is inserted into the branch connection tray 11 from the right side. The connection is switchably connected to the introduced jumper cord (optical fiber) 12 via an optical connector (not shown). The branch connection tray 11 is guided by guide rods projecting from the rear plate 13 of the housing 4 in the branch connection tray storage unit 10 so that the branch connection tray 11 can be pulled out and stored in the front-rear direction (the depth direction in FIG. 1). . The jumper cord 12 is connected between the two branch connection trays 11 to connect the target optical fibers 9 to each other.
[0018]
In addition, a wiring box 3 between frames is provided above the optical connection board 2. The span wiring box 3 is a frame made of steel or the like. The inside of the box wiring box 3 has a two-stage configuration divided vertically. The optical fiber 17 drawn out from the optical connection board 2 is brought to any one of the upper and lower two stages 20 and 21 via the wiring ports 18 and 19 of the span wiring box 3. Here, the upper row 20 is a front-rear wiring section, and the lower row 21 is a left-right wiring section. Wiring boards 15 and 16 are provided on the upper and lower two stages 20 and 21 respectively, and the optical fiber 17 is placed on these wiring boards 15 and 16.
[0019]
FIG. 2 to FIG. 7 are diagrams illustrating details of the wiring box 3 between frames. 2 is a front view, FIG. 3 is a plan view, FIG. 4 is a side view, FIG. 5 is a sectional view taken along line aa, FIG. 6 is a sectional view taken along line bb, and FIG. FIG.
[0020]
As shown in FIG. 2 to FIG. 6, the wiring box 3 between frames has a configuration in which wiring boards 15 and 16 of each stage are fixed to a frame 33 in a frame shape, and upper and lower two stages 20 and 21 are provided. .
Here, the optical fiber 17 which is a bridging wiring routed in the bridging wiring box 3 is an optical fiber cord having both ends terminated by an optical connector so as to be connectable to a connector, but is not limited thereto. Instead, for example, various types of multi-core or single-core optical fibers such as optical fiber cores and optical fiber strands can be employed.
[0021]
A front cover 22 that can be attached / detached by a connecting tool 23 such as a screw can be attached to the front side (the front side of the paper surface in FIG. 2) of the wiring box 3 between frames. In a state where the front cover 22 is removed, a front opening 24 is formed on the front side of the wiring box 3. (In the depth direction), and when the wiring box 3 with the front cover 22 removed is disposed on the rear side, the optical fiber 17 is placed in a plurality of wiring boxes arranged in front and rear. It is possible to wire between three. Further, there is an advantage that the wiring operation in the wiring box 3 between the frames can be easily performed in a state where the front cover 22 is removed.
[0022]
The rear side (the back side of the paper in FIG. 2) of the bridge box 3 is a rear opening 25 without a frame, and the optical fiber 17 can be routed between a plurality of bridge boxes 3 arranged in front and rear. It has become.
[0023]
As shown in FIG. 4, the upper and lower tiers 20 and 21, that is, the front-rear direction wiring portion and the left-right direction wiring portion have side openings 27 on the front side of the side frame 26 at both ends in the left-right direction. The openings 27 allow the optical fibers 17 to be routed between the plurality of wiring boxes 3 arranged in the left-right direction when the plurality of wiring boxes 3 are arranged in the left-right direction. The side opening 27 also functions as a wiring port for wiring wiring between the plurality of wiring boxes 3.
[0024]
As shown in FIGS. 5 and 6, each of the upper and lower stages 20 and 21 has wiring ports 18 and 29 formed on one end side of wiring tables 15 and 16 which are optical fiber mounting tables provided below them. The optical fiber 17 pulled out from the optical connection board 2 below is placed on the wiring table 15 or 16 of one of the upper and lower two stages 20 and 21 via these wiring ports 18 and 29. .
[0025]
As shown in FIG. 5, a plurality of cord clamps (optical fiber holding units) 30 for holding the optical fibers 17 pulled out from the optical connection board 2 are provided in the lower stage 21 of the span wiring box 3, that is, in the horizontal wiring unit. The protruding member 31 provided at a substantially central portion of the wiring board 16 is located between a lead-in wiring area a (described later) and a left-right wiring area b (described later). The convex member 31 also functions as a guide member for guiding the optical fiber 17 disposed between the drawn-in wiring region a and the left-right wiring region b. It is a curved portion that maintains the curvature of 17. In the lower part 21 of the wiring box 3 between bridges, a communication wiring gate 32 is provided on the rear side of the wiring board 16. The transfer communication wiring gate 32 is used to position the optical fiber 17 in the left-right direction (left-right direction with respect to the plane of FIG. 2) when the wiring is passed between a plurality of inter-connecting wiring boxes 3 arranged in front and rear. is there.
[0026]
As shown in FIG. 6, a plurality of cord clamps (optical fiber holding units) 30 for holding the optical fibers 17 pulled out from the optical connection board 2 are provided in the upper stage 20 of the span wiring box 3, that is, in the front-back direction wiring unit. A plurality of cylindrical guides 31 are provided at two positions, which are arranged in the left-right direction of the wiring board 15 and change the drawing direction of the optical fiber 17 in the upper stage 20 of the wiring box 3 between frames. .
[0027]
FIGS. 8 and 9 show the optical distribution equipment 1 provided with the optical connection board 2 and the inter-connecting wiring box 3 in the left-right direction (the left-right direction with respect to the paper surface in FIGS. 8 and 9) and the front-rear direction (the paper surface in FIGS. 8 shows a lower stage 21 in the span wiring box 3, and FIG. 9 shows an upper stage 20 in the span wiring box 3. I have.
[0028]
As shown in FIG. 8, in the lower stage 21 of the wiring box 3, that is, in the left-right wiring part, each of the plurality of wiring boxes 3 arranged in the left-right direction on the front side (the lower side of the paper surface in FIG. 8) A wiring port 19 into which the optical fiber 17 is drawn from the optical connection board 2 and a drawn-in wiring area a, which is an area near the wiring port 19, are provided on the rear side (the upper side of the paper surface in FIG. 8) of the wiring box 3. A wiring area b in the left-right direction, in which the optical fiber 17 is routed between the optical wiring boards 2 arranged in the box, is provided on the front side (below the paper surface in FIG. In the lower stage 21 of the wiring box 3, each of the wiring boxes 3 arranged in the left-right direction on the rear side (upper side of the paper surface in FIG. 8) is connected to the wiring box 3 arranged in the left-right direction on the front side. Are installed in a state of being rotated by 180 degrees (direction in a plan view).
[0029]
As shown in FIG. 8, the left and right wiring regions b of the lower stage 21 can be routed through the optical fiber 17 over the side openings 27 on both sides of the span wiring box 3. In addition, the lead-in wiring of the optical fiber 17 can be similarly performed in the horizontal wiring area b of the upper stage 20 (see FIG. 9).
As shown in FIG. 8, in the lower stage 21 of the bridge wiring box 3, that is, in the left-right wiring portion, the optical fiber 17 is routed only between the plurality of racks 3 arranged in the left-right direction, and The optical fiber 17 is not routed between the plurality of inter-connecting wiring boxes 3.
In addition, the configuration in which the left and right wiring regions b of the crossover wiring boxes 3 adjacent in the left and right direction are adjacent to each other so as to be able to be connected with each other means that the respective side portions of the crossover wiring boxes 3 adjacent in the left and right direction in FIG. This is a configuration in which it is possible to provide a crossover wiring extending over the horizontal wiring area b of the adjacent wiring box 3 through the opening (transit wiring port) 27.
[0030]
As shown in FIG. 9, in the upper stage 20 of the wiring box 3, that is, in the front-rear wiring portion, each of the wiring boxes 3 arranged in the left-right direction on the front side (the lower side of the paper in FIG. 9) The wiring port 18 into which the optical fiber 17 is drawn from the optical connection board 2 and the drawing wiring area a which is the area near the wiring port 18 are provided on the rear side (the upper side of the paper surface in FIG. 9) of the wiring box 3. A left-right wiring area b in which the optical fibers 17 are routed between the optical wiring boards 3 arranged in the left-right direction is provided on the front side (the lower side of the paper surface in FIG. 9) of the span wiring box 3. In the upper stage 20 of the wiring box 3, each of the wiring boxes 3 arranged in the left-right direction on the rear side (upper side of the paper surface in FIG. 9) is connected to the wiring box 3 arranged in the left-right direction on the front side. Are rotated by 180 degrees (direction in a plan view).
[0031]
As shown in FIG. 9, in the upper section 20 of the inter-connecting box 3, that is, in the front-rear wiring section, between the inter-connecting boxes 3 arranged in the left-right direction, and between the inter-connecting boxes 3 arranged in the front-rear direction. The optical fiber 17 is connected and wired. As shown in FIG. 9, the lead-in wiring area a is also a front-back wiring area c in which the optical fibers 17 are routed between the optical distribution boards 3 arranged in the front-rear direction. Is provided with a communication wiring gate 32 for wiring between the wiring area a in the wiring box 3 which is adjacent in the front-rear direction.
[0032]
As shown in FIG. 9, in the upper section 20 of the span wiring box 3, that is, in the front-back wiring section, the optical fiber 17 is drawn between the optical distribution boards 2 arranged close to each other in the front-back direction, In addition to the case where wiring is performed between the optical distribution boards 2 arranged in the same manner, the wiring distribution box 3 that is arranged close to the front in the forward direction with respect to the wiring distribution box 3 corresponding to a certain optical distribution board 2 There is a case where the wiring is passed to the optical wiring board 2 provided below the wiring box 3 that is arranged in the left-right direction in the wiring box 3 that has passed through.
[0033]
In the embodiment of the present invention, the wiring tables 15 of the adjacent wiring boxes 3 are arranged so as to be continuous in the left-right direction with almost no vertical difference.
Therefore, the crossover wiring routed over the left-right wiring area b of the adjacent inter-connecting wiring box 3 is not affected by bending or the like due to the vertical difference of the wiring board 15.
The wiring boxes 3 adjacent to each other in the left-right direction may be separated from each other by a slight gap between the wiring tables 15. The surface continuous in the horizontal direction may be formed by erection of a plate (not shown) or the like.
[0034]
FIG. 10 and FIG. 11 are perspective views showing the outline of the three-dimensional structure of the wiring box 3 according to the embodiment of the present invention, and show a state where two wiring boxes 3 are arranged side by side in the left-right direction.
The wiring box 3 shown in FIG. 10 has a bar-like support 34 (extending in the vertical direction) constituting a frame of the wiring box 3 on the front side of the side openings 27 (transit wiring ports) on both sides facing each other. Struts) are provided.
[0035]
On the other hand, the wiring box 3 shown in FIG. 11 does not include the rod-shaped support 34 provided in the wiring box 3 shown in FIG. In the wiring box 3 of FIG. 10, the optical fiber 17 is drawn into the wiring box 3 from the side opening 27, and the optical fiber is inserted between the wiring boxes 3 arranged in the left-right direction. When the wiring 17 is carried out from the front side of the wiring box 3, it is necessary to re-grip the optical fiber 17 in order to avoid interference with the rod-shaped support 34, but the wiring shown in FIG. In the box 3, since there is no obstacle (for example, the above-described rod-shaped support member 34) in each of the upper and lower steps 20 and 21 that hinders the work from the front side of the wiring box 3, for example, Work for passing an optical fiber (such as a wiring) drawn from one of the side openings 27 on both sides to the other side opening 27, or between the span wiring boxes 3 arranged side by side in the left-right direction. The work of wiring the optical fiber 17 is performed from the front side of the span wiring box 3. If carried out by, again gripping the optical fiber 17 to avoid the obstacle is not necessary, since that allows the work while grasping the optical fiber 17, there is an advantage that the workability can be improved.
[0036]
【The invention's effect】
According to the present invention, the inter-connecting wiring box has at least two upper and lower stages, and any one of a plurality of stages is provided with a left-right wiring through a wiring between optical wiring boards arranged in the left-right direction. And at least one of the plurality of stages other than the left-right wiring portion is a front-rear wiring portion that passes through a wiring between optical wiring boards arranged in the front-rear direction. It is possible to prevent the optical fibers from being entangled due to the wiring between the optical distribution boards and the wiring between the optical distribution boards arranged in the front-rear direction, thereby improving the workability such as connection switching.
[Brief description of the drawings]
FIG. 1 is a front view showing an optical wiring facility according to an embodiment of the present invention.
FIG. 2 is a front view of the wiring box between frames according to the embodiment of the present invention.
FIG. 3 is a plan view of the wiring box between frames according to the embodiment of the present invention.
FIG. 4 is a side view of the wiring box according to the embodiment of the present invention.
FIG. 5 is a sectional view taken along line AA in FIG. 2;
FIG. 6 is a sectional view taken along the line BB in FIG. 2;
FIG. 7 is a view showing a front cover attached to the wiring box between frames.
FIG. 8 is a diagram showing a horizontal wiring portion as a lower section of the wiring box in a state where a plurality of wiring boxes according to the embodiment of the present invention are provided in the front-rear direction and the left-right direction.
FIG. 9 is a view showing a front-rear direction wiring portion as an upper stage of the bridge box in a state where a plurality of bridge boxes according to the embodiment of the present invention are provided in the front-rear direction and the left-right direction.
FIG. 10 is a diagram showing an outline of a state in which wiring boxes between frames according to an embodiment of the present invention are arranged side by side in the left-right direction.
FIG. 11 is a diagram showing an outline of a state where wiring boxes according to the embodiment of the present invention are arranged side by side in the left-right direction.
[Explanation of symbols]
1 ‥‥ Optical wiring equipment, 2 ‥‥ Optical connection board, 3 ‥‥ Interconnect box, 4 ‥‥ Housing, 5 ‥‥ Optical fiber cable, 6 ‥‥ Side plate, 7 ‥‥ Cable clamp, 8 ‥‥ Tension Member clamp, 9 ‥‥ optical fiber, 10 ‥‥ branch connection tray storage, 11 ‥‥ branch connection tray, 12 ‥‥ jumper cord, 13 ‥‥ back plate, 14 ‥‥ guide rod, 15 ‥‥ wiring board, 16 {Wiring stand, 17} Optical fiber, 18} Wiring port, 19} Wiring port, 20} Upper part (front and rear wiring part), 21} Lower part (horizontal wiring part), 22} Front cover , 23 ‥‥ coupling, 24 ‥‥ front opening, 25 ‥‥ rear opening, 26 ‥‥ side frame, 27 ‥‥ side opening, 30 ‥‥ cord clamp, 31 ‥‥ cylindrical guide (convex member), 32 ‥‥ communication wiring gate, 33 ‥‥ frame, 34 ‥‥ rod support a ‥‥ pull wire region, b ‥‥ lateral direction wiring region, c ‥‥ longitudinal direction wiring region

Claims (5)

A plurality of optical distribution boards arranged in the left-right direction and the front-back direction, and a plurality of wiring boxes arranged above and below each optical distribution board and arranged in a horizontal direction; The crossover between the wiring boards is to be routed via a plurality of wiring boxes between bridges,
The inter-connecting wiring box has at least two upper and lower stages, and at least one of the plurality of stages is a left-right wiring unit that passes a wiring between optical wiring boards arranged in the left-right direction. Optical wiring equipment, characterized in that at least one of the stages other than the horizontal wiring portion is a front-rear wiring portion that passes through a wiring between optical wiring boards arranged in the front-rear direction. In the left-right wiring part of the cross wiring box, a left-right wiring area in which left-right crossover wiring between the cross wiring boxes provided in the left-right direction is collectively wired, and wiring of the cross wiring box. The lead-in wiring area where the optical fibers to be routed to the optical distribution board above or below the bridge box via the mouth are collectively wired, and different positions on the wiring board of the horizontal wiring section. 2. The optical wiring equipment according to claim 1, wherein the left and right wiring areas of the wiring box adjacent to each other in the left and right direction are adjacent to each other so as to be able to be wired. The front-rear direction wiring portion of the inter-connecting wiring box is provided with a communication wiring gate for passing a connecting wiring in the front-rear direction between the lead-in wiring area and the inter-connecting wiring box provided adjacent in the front-rear direction. The communication wiring gates are connected to each other, so that a wiring in the front-rear direction can be provided between the lead-in wiring areas of the pair of wiring boxes adjacently provided in the front-rear direction. Item 3. The optical wiring equipment according to item 1 or 2. In the front-rear direction wiring portion, a left-right direction wiring region in which the interconnecting wires between the front-rear direction wiring portions of the bridge wiring box adjacently provided in the left-right direction are collectively wired is shifted in position with respect to the lead-in wiring region. The left and right wiring regions of the front and rear wiring portions of the wiring box adjacent to each other in the left and right direction are adjacent to each other so as to enable cross wiring in the left and right direction. 4. The optical fiber of the crossover wiring in the front-rear direction can be routed between optical distribution boards having different positions in the left-right direction through the left-right wiring area of the directional wiring portion. Optical wiring equipment according to the above. Plurality of wiring that is installed above or below the optical distribution boards arranged in the horizontal direction and the front-rear direction, and is arranged side by side in the horizontal direction to accommodate the wiring between the optical distribution boards. A box,
Through the wiring in the left and right direction through the wiring between the optical wiring boards arranged in the left and right direction, and through the wiring between the optical wiring boards arranged in the front and rear direction provided above or below this wiring in the left and right direction Having a wiring port for passing an optical fiber that is wired between an optical distribution board above or below the inter-connecting wiring box,
In the left-right wiring part, a wiring in a left-right direction wiring area in which crossover wiring between inter-connecting wiring boxes adjacently provided in the left-right direction is collectively wired, and an optical wiring board is wired through the wiring port. And the lead-in wiring area in which the optical fibers are collectively wired are provided at different positions on the wiring board of the left-right wiring section,
In the front-rear direction wiring portion, a lead-in wiring area in which optical fibers to be routed to an optical distribution board via a wiring port are collectively wired, and a cross-wiring between a wiring box adjacent in the front-rear direction. And a communication wiring gate for passing through the wiring box.

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