JP2001093610A - Patch panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a patch panel, with which reliability for communication is increased and such information related to wiring as the use, address or the like can be easily distinguished. SOLUTION: A patch panel A is composed of a modular jack 10, with which a modular plug is connected in a manner that the plug can be put in and pulled out freely and of a panel 50 on which more than one modular jack 10 is installed and which is attached to a fixed part such as a rack. A door 60 to cover a plug insertion opening 12 of a modular jack 10 is provided on the panel 50, in such a manner that the door is freely open able. The door 60 is a nearly square-shaped flat plate with a shaft 61 on one edge and on the surface of the door 60 are marked letters to show the use of the modular jack 10. Moreover, on the front surface of the panel 50, bearing sections 62 which support both ends of the shaft 61 attached to the door 60 are provided, and a fastening segment 63 which fastens on the end of the door 60 and holds the door 60 over the plug insertion opening 12 is also provided on the front surface of the panel 50.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a patch panel used for information wiring.

[0002]

2. Description of the Related Art Conventionally, in an office or factory, an information wiring system using a twisted pair cable has been widely used for transmitting various information such as a voice signal, a digital signal such as a LAN, and an image signal. In such an information wiring system, a relay terminal board for supporting wiring work of a network called a patch panel is used in case information wiring needs to be changed due to a change in office layout or the like. (See, for example, JP-A-10-302918).

Such a patch panel has a modular jack having a plug insertion opening to which a modular plug is removably connected, and an opening for exposing the front surface of the modular jack and a rack or the like for fixing to a fixed portion. A fixing means is provided, and a plurality of modular jacks are provided with a panel attached from the back side.

[0004]

In the patch panel having the above-described structure, the plug insertion opening of the modular jack is exposed from the opening of the panel. Dust and dirt adhered to the contact pins that make elastic contact. Therefore, when the modular plug is connected, dust or dirt gets caught between the contact of the modular plug and the contact pin, the contact resistance between the contact of the modular plug and the contact pin increases, and the reliability of communication increases. In some cases, communication may not be possible.

[0005] Further, since information relating to the wiring such as the purpose and address of the modular plug connected to each modular jack is not displayed, the information is input to each modular jack at the time of maintenance inspection or wiring change due to layout change. It was not possible to easily specify whether the signal was a voice signal or a transmission signal, and there was a problem that workability was reduced.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to improve the reliability of communication and to easily determine information related to wiring such as use and address. To provide a patch panel.

[0007]

In order to achieve the above object, according to the first aspect of the present invention, there is provided a plug insertion opening into which a modular plug is inserted, and a contact of a modular plug inserted through the plug insertion opening with elastic contact. A modular jack having a contact pin, a cable termination portion electrically connected to the contact pin, and a press-contact terminal to which a conductor of the twisted pair cable is press-contacted, and fixing means for fixing to a fixed portion And a panel to which a plurality of modular jacks are attached in a state where the plug insertion port is exposed on the front side, and a door that covers the plug insertion port so that it can be opened and closed is provided on the front of the panel, and It is equipped with a display unit that displays information related to wiring, and covers the plug insertion port with a door, so that when the modular plug is not connected, This prevents dust and dirt from entering the socket and prevents dust and dirt from adhering to the contact pins, thereby reducing the reliability of contact between the contact pins and the contacts of the modular plug. And the door is rotatably attached to the panel, so that it is possible to prevent the door from being lost when the modular plug is connected. In addition, since the door is provided with a display unit that displays information related to wiring, information related to wiring can be read from the display on the display unit, making it easier to work at the time of maintenance inspection and wiring change due to layout change. improves.

According to a second aspect of the present invention, in the first aspect of the present invention, a panel is provided such that a shaft is provided on one side of the door, and a bearing portion for supporting the shaft of the door is vertically above the plug insertion opening. And the panel is provided with holding means for holding the door at a position where the plug insertion port is exposed, wherein the door is rotatable between a position covering the plug insertion port and a position exposing the plug insertion port. Since the bearing is located vertically above the plug insertion port, when the holding means holds the door at a position where the plug insertion port is exposed, the door moves vertically above the plug insertion port. And the modular plug connected to the plug insertion port does not interfere,
The display on the display unit can be easily read.

According to a third aspect of the present invention, in the first aspect of the present invention, the door is detachably attached to the panel. By replacing the door, the contents of the display section can be easily changed, and It can easily respond to changes.

According to a fourth aspect of the present invention, in the third aspect of the present invention, the display unit is provided on both surfaces of the door, and the contents of the display units provided on each surface are different. When the plug is connected or disconnected, the front surface of the door can be switched, and the display on the display unit can be changed in two ways.

According to a fifth aspect of the present invention, in the first aspect of the present invention, a holding member for holding a plurality of modular jacks is provided, and at least a window hole formed to a size capable of inserting the holding member from the front side. The panel is provided with mounting means for detachably attaching a holding member inserted through a window hole from the front side of the panel, and is formed to have a dimension that allows at least the holding member to be inserted from the front side. A window hole is provided in the panel, and the holding member is inserted through the window hole from the front side of the panel and is attached to the panel using the attaching means. The holding member can be attached from the side.

[0012]

Embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1) A patch panel of this embodiment will be described with reference to FIGS. The patch panel A includes a modular jack 10 to which a modular plug 80 is detachably connected, and a panel 50 to which a plurality of modular jacks 10 are attached in a line and attached to a rack 70 which is a fixed portion.

The housing 11 of the modular jack 10
As shown in FIGS. 5 to 8, is made of a molded article of a synthetic resin having an insulating property, and has a substantially rectangular front surface. A plug insertion port 12 into which the modular plug 80 is inserted is opened on the front surface of the housing 11.
A plurality of contact pins 13 are arranged in the inside so as to resiliently contact the contacts (not shown) of the modular plug 80.

From the upper surface in FIG. 6 of the rear part of the housing 11,
A plurality of pressure contact terminals 14 electrically connected to the respective contact pins 13 are projected. The press contact terminal 14 is a well-known one called an IDC terminal, and is a press contact type formed in a fork shape having a press contact slit 14a having an upper end edge opened between a pair of teeth. The width of the press contact slit 14a is It is set so that both side edges of the press-contact slit 14a are pressed against the core wire of the electric wire to be connected. That is, when an electric wire having an insulating coating is press-fitted into the press-fitting slit 14a from above, the insulating coating of the electric wire is cut at both side edges of the press-fitting slit 14a, and the press-fitting slit 14a
The core wire is introduced into the inside, and the core wire is sandwiched between both side edges of the press contact slit 14a.

Further, in order to connect the wires to the press contact terminal 14 without using a separate tool or jig, an aligning function for holding a plurality of wires together and a press fitting function for press fitting the wires into the press contact terminal 14. A pair of levers 15 made of a synthetic resin molded product having both functions is provided on the upper surface of the housing 11 in FIG. The lever 15 is pivotally supported via a rotating shaft 17 to a bearing 16 formed on the housing 11. That is, the lever 15 is rotatable about the bearing 16, and can be raised and lowered between a position where the lever 15 projects from the housing 11 and a position where the terminal 14 is opened. Thus, each pair of the twisted pair cables is held by the lever 15 and aligned with a predetermined press-connecting terminal 14.
And is electrically connected to a predetermined contact pin 13. Here, a cable termination portion is constituted by the press contact terminal 14 and the lever 15 and the like.

On both left and right sides of the housing 11,
A pair of protrusions 18 projecting laterally are formed vertically, and a locking groove 19 running along the longitudinal direction of the housing 11 is formed between the pair of protrusions 18. Further, a locking recess 20 is formed on the surface of the housing 11 which becomes the upper surface when the lever 15 is turned downward.

The front surface of the panel 50 has a substantially rectangular shape, and is formed of, for example, an aluminum material having a module size of a 19-inch rack. On the front of the panel 50,
A plurality of openings 5 exposing the front surface of modular jack 10
9 are provided along the longitudinal direction. Panel 50
At both ends in the longitudinal direction of the front surface, a pair of mounting holes 51 are respectively formed for inserting mounting screws 71 for screwing the panel 50 to a fixed portion such as a rack 70. Here, a fixing means for fixing the panel 50 to the portion to be fixed from the mounting hole 51 is configured.

The panel 50 is provided with a door 60, which is made of, for example, a synthetic resin and covers each opening 59 so as to be openable and closable. The door 60 is a substantially square flat plate, and has a shaft 61 on one side. Bearings 62, 62 for supporting both ends of the shaft 61 are provided at a position below the opening 59 in the panel 50 in FIG. 1.
Each of the bearing portions 62 is constituted by a substantially arc-shaped holding piece 62a, 62a whose front end faces through a predetermined gap, and by holding the end of the shaft 61 between a pair of holding pieces 62a.
The door 60 is rotatably attached to the panel 50. Here, the holding pieces 62a have elasticity, and when the end of the shaft 61 is inserted into the gap between the holding pieces 62a, 62a from the front side of the panel 50, the holding pieces 62a, 62a bend outward. Since the end of the shaft 61 is pivotally supported between the holding pieces 62a, 62a, the door 60 can be easily attached. When removing the door 60, the door 60 is
When pulled toward the front side of the
Since a and 62a are bent outward and the shaft 61 comes off, the door 60 can be easily removed.

That is, the door 60 is rotatable about a bearing 62, and the end of the door 60 opposite to the shaft 61 is located substantially below the shaft 61 in FIG. A position where the insertion port 12 is exposed (a position indicated by a solid line in FIG. 2) and a position where the insertion port 12 is located almost directly above the shaft 61 in FIG. (Position shown).

By the way, the end of the door 60 on the side opposite to the shaft 61 is located substantially directly above the shaft 61 in FIG. A locking piece 63 serving as a holding means protrudes from the middle and upper part, and a locking claw 63a that locks with the end of the door 60 protrudes downward from the tip of the locking piece 63 in FIG. I have. Thus, the end of the door 60 on the side opposite to the shaft 61 moves from a state that is located substantially directly below the shaft 61 in FIG. 2 to a state that is located substantially directly above in FIG. When the door 60 is rotated,
The locking claw 63a locks with the end of the door 60, and the plug insertion port 1
The door 60 is held in a state where 2 is shielded. Therefore,
When the modular plug 80 is not connected to the plug insertion port 12, the plug insertion port 12 can be covered with the door 60, preventing dust and dirt from entering the plug insertion port 12, and preventing the modular plug 80 from contacting. It is possible to prevent the reliability of the electrical contact between the contact and the contact pin 13 from being reduced. Also, with the door 60 removed from the panel 50, the plug insertion port 1
When the modular plug 80 is connected to the
However, since the door 60 is attached to the panel 50 even when the plug insertion port 12 is exposed, there is no possibility that the door 80 will be lost.

The tip of the locking claw 63a has a tapered surface 6
3b is formed, and when the door 60 is rotated to a position covering the plug insertion port 12, the end of the door 60 is tapered.
When the door 60 is pushed into the panel 50 side in a state where the door 60 abuts on the b, the end portion of the door 60 moves along the tapered surface 63b, so that the locking piece 63 is deflected upward in FIG. The door 60 and the locking claw 63a can be smoothly locked.

On the other hand, when the modular plug 80 is connected to the plug insertion port 12, the locking piece 63 is depressed upward in FIG. 2 to bend the locking claw 63 a and the end of the door 60. Is released, and the door 60 is moved by its own weight to the shaft 61 of the door 60.
2 rotates to a position substantially below the shaft 61 in FIG. 2, and the plug insertion port 12 is exposed, so that the modular plug 80 can be connected to the plug insertion port 12. .

Here, one surface of the door 60 (the plug insertion port 12)
Are exposed on the front side), characters as a display unit indicating information relating to the use of the modular jack 10 and wiring such as an address are engraved. For example, characters such as “COM” indicating a data transmission port to which a computer or the like is connected, and “TEL” indicating a voice signal port to which a telephone or the like is connected are engraved on the door 60. Since information related to wiring can be read from these displays, workability at the time of maintenance inspection or wiring change due to layout change is improved.
The back side of the door 60 (the front side in a state where the plug insertion port 12 is shielded) may be engraved with characters indicating wiring information such as the use of the modular jack 10 and an address, similarly to the front side. Needless to say, the plug insertion port 1
The display on the display unit can be read even when 2 is shielded. Instead of engraving characters on the door 60, "CO
A sticker on which characters or marks such as "M" or "TEL" are printed may be attached to the door 60. Since the door 60 is detachably attached, the display contents can be changed by replacing the door 60. Can be easily changed.

(Embodiment 2) The patch panel of this embodiment will be described with reference to FIGS. In the patch panel A of the first embodiment, the end of the door 60 on the opposite side to the shaft 61 shields the plug insertion port 12 in a state of being located substantially directly above the shaft 61 in FIG. In this embodiment,
The plug insertion port 12 is shielded in a state where it is located substantially directly below the shaft 61 in FIG. Note that the configuration other than the door 60, the bearing portion 62, and the locking piece 63 is the same as that of the first embodiment, so that the same components are denoted by the same reference numerals, and description thereof will be omitted.

The opening 59 in the panel 50 is shown in FIG.
Bearings 62, 62 that support both ends of a shaft 61 provided on the door 60 are provided in the upper middle portion. That is, the door 60 is rotatable about the bearing 62, and the end of the door 60 on the opposite side to the shaft 61 is located substantially directly above the shaft 61 in FIG. A position where the plug insertion port 12 is exposed (a position indicated by a solid line in FIG. 10A) and a position where the plug insertion port 12 is located almost directly above the shaft 61 in FIG. (A position shown by a broken line in FIG. 10A).

By the way, the end of the door 60 on the opposite side to the shaft 61 is located substantially directly above the shaft 61 in FIG. 10A, a locking piece 63 protrudes from an upper portion in FIG. 10A, and a locking claw 63a that locks with the end of the door 60 is provided at the tip of the locking piece 63 in FIG. It protrudes downward.
Thus, the end of the door 60 opposite to the shaft 61 is
When the door 60 is rotated from a state of being located substantially directly below in FIG. 10A to a state of being located substantially directly above in FIG. The modular plug 80 can be connected to the plug insertion port 12 because the door 60 is retained while being locked with the end of the door 60 and exposing the plug insertion port 12. In the present embodiment, the door 60 is positioned vertically above the plug insertion port 12 in a state where the plug insertion port 12 is exposed. The modular plug connected to the plug insertion opening 12 does not become an obstacle, and the display of the door 60 becomes easier to see as compared with the case where the plug is located vertically below.

On the other hand, when the modular plug 80 is not connected to the plug insertion port 12, the locking piece 63 is pushed upward and bent in FIG. The locked state is released, and the end of the door 60 on the side opposite to the shaft 61 of the door 60 by its own weight is
(A) It rotates until it is located in a position substantially right below, and the plug insertion port 12 is shielded. Therefore, the plug insertion port 12
When the modular plug 80 is not connected to the modular plug 80, the plug insertion port 12 can be covered with the door 60 to prevent dust and dirt from entering the plug insertion port 12.
Of the electrical contact between the contact pin and the contact pin 13 can be prevented from lowering.

Here, the surface of the door 60 (plug insertion port 12)
Are exposed on the front side), characters indicating information on the wiring of the modular jack 10, such as the application and the address, are engraved. For example, characters such as "COM" indicating a port for data transmission to which a computer or the like is connected, and "TEL" indicating a port for an audio signal to which a telephone or the like is connected are engraved. Since information related to wiring can be read from these displays, workability at the time of maintenance inspection or wiring change due to layout change is improved. The back side of the door 60 (the front side in a state where the plug insertion opening 12 is shielded) may be engraved with characters indicating wiring information such as the use of the modular jack 10 and an address, similarly to the front side. Needless to say, the display on the display unit can be read even when the plug insertion port 12 is shielded. Door 6
"COM" or "TEL" instead of engraving characters on 0
A sticker on which characters or pictures such as characters are printed may be attached to the door 60. Further, since the door 60 is detachably attached, the display content can be easily changed by replacing the door 60.

(Embodiment 3) A patch panel of this embodiment will be described with reference to FIGS. In the patch panel according to the first or second embodiment, a display unit is provided by engraving a character or a picture on the door 60 or pasting a seal.
In the present embodiment, in the patch panel of the first or second embodiment, display units having different contents are provided on both front and rear surfaces of the door 60. For example, as shown in FIGS. 13A and 13B, a mark indicating a telephone is stamped on one surface of the door 60, and a mark indicating a computer is stamped on the other surface. Here, since the door 60 is detachably attached to the bearing portion 62, the door 60 can be replaced so that the same surface of the door 60 is on the front side when the modular plug 80 is connected and when it is not connected. it can. In addition, the door 60 which is on the front side when the modular plug 80 is connected and disconnected.
The display of the wiring information can be changed in two ways by exchanging the surfaces, and it is possible to easily cope with the wiring change.

Instead of engraving a mark or a character representing a telephone or a computer on the door 60, a sticker on which a mark or a character representing a telephone is drawn on one surface and a computer representing the computer on the other surface. A sticker on which a mark or a character is drawn may be attached. Further, the door 60 is formed of a translucent synthetic resin, and a mark or a character representing a telephone is printed on one surface, and a seal on which a mark or a character representing a computer is printed on the other surface. It may be pasted on one side.

(Embodiment 4) In the patch panel A of each of the above-described embodiments, the modular jack 10 is directly attached to the panel 50. However, in this embodiment, as shown in FIGS. Cover 30 as a holding member to which (6) modular jacks 10 are attached.
Is attached to the panel 50. Since the configuration other than the cover 30 and the panel 50 is the same as that of the first to third embodiments, the same components are denoted by the same reference numerals and description thereof will be omitted.

The cover 30 to which the plurality of modular jacks 10 are attached is made of an insulating synthetic resin molded product. The cover 30 has a substantially rectangular plate-like front surface, and is provided with six openings 31 that expose the front surface of each modular jack 10 in a row. On the back surface of the cover 30, support pieces 32 for supporting both left and right sides of each modular jack 10 are formed. Each support piece 32 is formed with a ridge 32a that locks with the locking groove 19 of the modular jack 10, and a step 33 that contacts the front edge of the protrusion 18.

On the back surface of the cover 30, contact pieces 34, which contact the upper and lower surfaces of each modular jack 10, respectively.
35 are protruded. Further, on the back surface of the cover 30, there is provided a latch piece 37 which is flexibly supported via an arm 36 and faces the upper surface of the housing 11 in FIG. A locking projection 38 that protrudes and recesses into the recess 20 is provided in a protruding manner.

Further, a pair of locking pieces 40 projecting rearward from the upper end of the rear surface of the cover 30 are formed continuously and integrally with the cover 30. A pair of fitting claws 41 are provided on both ends of each locking piece 40 so as to fit into the opening edges 55 of the window holes 52 a to 52 d formed in the panel 50. A tapered surface 42 is formed at the tip of 41. In addition, a projection 35a protruding downward is provided on a contact piece 35 that contacts the lower surface of the housing 11 in FIG. Note that the window holes 52a to 52d are formed to have dimensions that allow at least the cover 30 to be inserted from the front side.
Each of the window holes 52a to 52d is closed by the cover 30.

A lever release preventing piece 53 protruding rearward from the lower opening edge of each of the window holes 52a to 52d is provided. A through-hole 53a is formed in a portion of the lever release preventing piece 53 corresponding to the projection 35a provided on the cover 30. On the other hand, each window hole 52a to 52d corresponding to a portion between the fitting claws 41 in the locking piece 40 provided on the cover 30
A concave portion 54 is provided at a portion of the opening edge on the upper side of
A tapered surface 56 is formed on the front side of the opening edge 55 on both sides of the concave portion 54.

Further, a substantially U-shaped wire fixing piece 57 protruding rearward from the lower edge of the panel 50 is formed continuously and integrally with the panel 50. The wire fixing piece 57 is a central piece 57
a, and a connecting piece 57b for connecting both ends of the central piece 57a to the panel 50, respectively. The central piece 57a and the connecting piece 57b are provided with a plurality of insertion holes (not shown) for inserting a binding band for binding the electric wires connected to the modular jack 10, and are formed by the binding band inserted into the insertion holes. The electric wires connected to the modular jack 10 can be fixed to the panel 50.

Here, the modular jack 10 is
The procedure for attaching the lens to 0 will be briefly described. First, an upward force is applied to the latch piece 37 protruding from the rear surface of the cover 30, and in a state where the latch piece 37 is bent upward, the surface of the modular jack 10 on which the lever 15 is attached is turned downward, and the modular jack is turned down. The modular jack 10 is inserted from the back side to the front side of the cover 30 by locking the locking grooves 19 formed on both right and left sides of the cover 10 and the ridges 32 a protruding from the support pieces 32 of the cover 30. . Here, when the front surface of the modular jack 10 is substantially flush with the front surface of the cover 30, the protrusions 18 protruding from the left and right side surfaces of the modular jack 10 abut the step portions 33 of the support pieces 32, and the modular jack 10 Is restricted from moving forward. When the upward force applied to the latch piece 37 is removed in this state, the locking projection 38 of the latch piece 37 locks with the locking recess 20 provided in the housing 11 of the modular jack 10, and the modular jack 10 It is attached to 30.
By applying an upward force to the latch piece 37, the locking state between the locking projection 38 of the latch piece 37 and the locking recess 20 of the modular jack 10 is released, and the modular jack 10 can be easily removed from the cover 30. Can be removed.

Next, a procedure for attaching the cover 30 to which the modular jack 10 is attached to the panel 50 will be briefly described. First, the cover 5 is inclined and the panel 5
0 from the front side, and the projection 35a protruding from the contact piece 35 of the cover 30 is inserted into the through hole 53a of the panel 50, so that the groove 35b between the front surface of the cover 30 and the projection 35a. The opening edge of the through-hole 53a is clamped between them. Thereafter, when the upper part of the cover 30 is inserted into the window hole 52a of the panel 50 with the opening edge of the through hole 53a as a fulcrum, the fitting claw 41 protruding from the locking piece 40 of the cover 30 and the panel 50
Is brought into contact with the opening edge 55, the locking piece 40 is pressed and bent downward, and the fitting claw 41 rides over the opening edge 55 and
5 and is attached to the window holes 52a of the panel 50. When the cover 30 is attached to the panel 50,
Lever release preventing piece 53 protruding from the rear side of panel 50
Are arranged to face the lever 15 of the modular jack 10 and are restricted by the lever release prevention piece 53 from rotating the lever 15 to the position where the press contact terminal 14 is opened. The wire can be prevented from coming off.

As described above, the projection 35a of the cover 30 and the opening edge of the through hole 53a of the panel 50 are fitted into the concave and convex, and the fitting claw 41 of the cover 30 and the opening edge 55 of the panel 50 are fitted.
Are fitted to each other so that the cover 30
The cover 30 can be attached to the panel 50 with a single touch without requiring any additional tools.
Can be easily mounted. Here, the projection 35a of the cover 30 and the fitting claw 4
1. The mounting means is constituted by the opening edge 55 of the window holes 52a to 52d, the through hole 53a provided in the lever release preventing piece 53, and the like. The fitting claw 41 and the opening edge 55 have a tapered surface 4.
Since the tapered surface 42 of the fitting claw 41 and the tapered surface 56 of the opening edge 55 are in contact with each other, the upper portion of the cover 30 is pushed into the rear surface of the panel 50 so that the fitting can be performed. By moving the tapered surface 42 of the dowel 41 along the tapered surface 56 of the opening edge 55, the fitting claw 41 and the opening edge 55 can be smoothly locked.

On the other hand, when removing the cover 30 from the panel 50, the tool insertion groove 43 formed in the front surface of the cover 30 is used.
Inserting the tip of a tool such as a flathead screwdriver between the tool and the concave portion 54 provided in the panel 50 and applying a downward force to the locking piece 40, the fitting state between the fitting claw 41 and the opening edge 55 is changed. When released, the cover 30 can be removed from the panel 50. Thus, panel 5
Since the recess 54 is formed on the front surface of the cover 30 and the tool insertion groove 43 is formed on the front surface of the cover 30, the tool is inserted from the front side to release the fitting state between the fitting claw 41 and the opening edge 55. The operation of removing the cover 30 to which the modular jack 10 is attached can be performed from the front side of the panel 50.

As described above, since the modular jack 10 is attached to the panel 50 via the cover 30 in the present embodiment, there is no need to provide the modular jack 10 with a function for attaching it to the panel 50. Can be used. Further, since the plurality of modular jacks 10 are attached to the cover 30, the plurality of modular jacks 10 can be attached to and detached from the panel 50 at one time.

[0043]

As described above, according to the first aspect of the present invention, there is provided a plug insertion port into which a modular plug is inserted, a contact pin elastically contacting a contact of a modular plug inserted through the plug insertion port, and the contact. A plug having a modular jack having a cable termination provided with a press-connecting terminal electrically connected to a pin and press-contacted with a conductor of the twisted pair cable; and a fixing means for fixing the cable to a portion to be fixed; A panel to which a plurality of modular jacks are attached with the opening exposed to the front side is provided.A door for opening and closing the plug insertion opening is provided on the front surface of the panel, and information relating to wiring is displayed on the door. The display is provided with a cover that covers the plug insertion slot with a door, allowing dust and dirt to enter the plug insertion slot when the modular plug is not connected. It is possible to prevent the contact reliability between the contact pin and the contact of the modular plug from being reduced due to the attachment of dust or dust to the contact pin, and to improve the communication reliability. In addition, since the door is rotatably attached to the panel, the door can be prevented from being lost when the modular plug is connected. In addition, since the door is provided with a display unit that displays information related to wiring, information related to wiring can be read from the display on the display unit, making it easier to work at the time of maintenance inspection and wiring change due to layout change. There is also an effect of improving.

According to a second aspect of the present invention, in the first aspect of the present invention, a panel is provided such that a shaft is provided on one side of the door, and a bearing for supporting the shaft of the door is vertically above the plug insertion opening. And the panel is provided with holding means for holding the door at a position where the plug insertion port is exposed, wherein the door is rotatable between a position covering the plug insertion port and a position exposing the plug insertion port. Since the bearing is located vertically above the plug insertion port, when the holding means holds the door at a position where the plug insertion port is exposed, the door moves vertically above the plug insertion port. And the modular plug connected to the plug insertion port does not interfere,
There is an effect that the display on the display unit can be easily read.

According to a third aspect of the present invention, in the first aspect of the present invention, the door is detachably attached to the panel. By replacing the door, the contents of the display unit can be easily changed, and There is an effect that a change can be easily handled.

According to a fourth aspect of the present invention, in the third aspect of the present invention, the display section is provided on both sides of the door, and the contents of the display sections provided on each side are different. When the plug is connected and disconnected, the front surface of the door can be switched, and the display on the display unit can be changed in two ways.

According to a fifth aspect of the present invention, in the first aspect of the present invention, a holding member for holding a plurality of modular jacks is provided, and at least a window hole formed to have such a size that the holding member can be inserted from the front side. The panel is provided with mounting means for detachably attaching a holding member inserted through a window hole from the front side of the panel, and is formed to have a dimension that allows at least the holding member to be inserted from the front side. A window hole is provided in the panel, and the holding member is inserted through the window hole from the front side of the panel and is attached to the panel using the attaching means. There is an effect that the holding member can be attached from the side.

[Brief description of the drawings]

FIG. 1 is an enlarged perspective view of a main part showing a jack panel according to a first embodiment.

FIG. 2 is a side view of the same.

FIG. 3 is an exploded perspective view in which a part of the above is partially omitted.

FIG. 4 is a use state diagram of the above.

FIG. 5 is a front view of the modular jack used in the embodiment.

FIG. 6 is a side view of the modular jack used in the embodiment.

FIG. 7 is a top view of the modular jack used in the embodiment.

FIG. 8 is a bottom view of the modular jack used in the embodiment.

FIG. 9 is an enlarged perspective view of a main part showing a jack panel according to a second embodiment.

FIG. 10A is an exploded view as viewed from the side of the above.
(B) is a side sectional view which can be partially omitted.

FIG. 11 is an exploded perspective view in which a part of the above is partially omitted.

FIG. 12 is a diagram illustrating a use state of the patch panel according to the third embodiment.

FIG. 13 shows a door used in the above, (a) is a front view,
(B) is a back view.

FIG. 14 is an exploded perspective view of the patch panel of the fourth embodiment.

FIG. 15 is an exploded perspective view showing the above partly omitted part.

FIG. 16 is a sectional view of the above.

[Explanation of symbols]

 A Patch panel 10 Modular jack 12 Plug insertion port 50 Panel 60 Door 61 Shaft 62 Bearing part 63 Locking piece

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Kazuo Nakai 1048 Kazuma Kadoma, Kadoma-shi, Osaka F-term in Matsushita Electric Works Co., Ltd. 5E087 EE04 GG24 JJ08 LL02 LL17 MM08 MM09 MM17 QQ02 RR25 RR36

Claims (5)

[Claims] 1. A plug insertion port into which a modular plug is inserted, a contact pin elastically contacting a contact of the modular plug inserted through the plug insertion port, and a twisted pair cable electrically connected to the contact pin. A modular jack having a cable termination having a press-connecting terminal to which a conductor portion is press-fitted, and a fixing means for fixing to a portion to be fixed, wherein a plurality of plugs are exposed in a state where the plug insertion port is exposed to the front side. A patch panel comprising a panel to which a modular jack is attached, a door that covers the plug insertion opening so as to be openable and closable is provided on a front surface of the panel, and a display unit that displays information related to wiring is provided on the door. . A shaft provided on one side of the door, and a bearing portion for supporting the shaft of the door being provided on a portion of the panel which is vertically above the plug insertion port to cover the plug insertion port. The patch according to claim 1, wherein the panel is rotatable between a position where the plug insertion opening is exposed, and a holding means for holding the door at a position where the plug insertion opening is exposed is provided on the panel. panel. 3. The patch panel according to claim 1, wherein the door is detachably attached to the panel. 4. The patch panel according to claim 3, wherein the display section is provided on both sides of the door, and the contents of the display sections provided on each side are different. 5. A holding member for holding a plurality of modular jacks, a window hole formed to have at least the holding member to be inserted from the front side, and a window hole inserted from the front side of the panel through the window hole. 2. A patch panel according to claim 1, wherein said panel is provided with attachment means for detachably attaching said holding member.