JPH09197138A - Optical cable connection module - Google Patents

Abstract

(57) [Abstract] [Object] An object of the present invention is to provide an optical cable connection module capable of easily replacing a subscriber side optical fiber and connecting an optical fiber for test optical transmission. [Structure] An optical cord 60 for connection, which is arranged in a module body 40 and connects a subscriber side optical fiber 11 and a station side optical fiber 12, and is attached to the module body 40 so as to be freely drawn out. It is provided with an accommodating tray 50 accommodating a subscriber side optical connector 70 for connecting the side optical fiber 11 and the connecting optical cord 60, and the subscriber side optical connector 70 is accommodated at the front end portion of the accommodating tray 50. A connector accommodating portion 52 is provided for this purpose.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical cable connection module for connecting a subscriber side optical fiber and a station side optical fiber, and particularly to another subscriber optical fiber when a defect occurs in the subscriber optical fiber. The present invention relates to an optical fiber connection device that can easily perform the work of replacing with a fiber.

[0002]

2. Description of the Related Art FIG. 10 shows a conventional optical cable connection module 100. Conventional optical cable connection module 1
00 is a subscriber side optical fiber 110 extending from the subscriber side optical cable and a station side optical fiber 1 extending from the station side cable.
11 is a module that is connected via a fan-out code (hereinafter, FO (Fan Out) code) 101, and is housed in an FTM (Fiber Termination Module) rack 120 in the central office.

FO code 101 and subscriber side optical fiber 1
A subscriber side optical connector 102 is provided between the FO code 101 and the FO code 101, and a station side optical connector 103 is provided between the FO code 101 and the station side optical fiber 111. further,
An optical coupler 104 is attached to the FO code 101 so that the test light can be incident on the optical fibers 110 and 111 and the test light can be detected from the optical fibers 110 and 111. Test optical fiber 1 from the optical coupler 104
05 extends, and a test optical connector 106 is attached to the tip of the optical fiber 105.

FO code 101, optical connectors 102, 1
06, and optical components such as the optical coupler 104, the storage tray 1
It is housed in 07. The storage tray 107 is F
It is attached to a rail 121 fixed to the TM rack 120 so as to be freely drawn out. Therefore, the storage tray 107 can move along the rail 121, and the storage tray 107 can be pulled out of the FTM rack 120.

Therefore, the storage tray 107 is attached to the FTM rack 12
The optical connector 1 by pulling it out from 0 and taking out the subscriber side optical connector 102 from the accommodation tray 107.
The optical fiber 110 on the subscriber side can be replaced in the area 02. Further, by taking out the test optical connector 106 from the storage tray 107, the optical connector 10
It is also possible to connect to 6 an optical fiber extending from a tester (not shown).

[0006]

As described above, when the subscriber side optical fiber 110 is replaced or the test optical transmission optical fiber 105 is connected, the optical connector 102,
It was necessary to take out 106 from the accommodation tray 107.
At the time of this take-out work, the operator's hand holds the storage tray 107.
There is a case where the optical components come into contact with each other and come into contact with the FO cords of other adjacent modules, or come into contact with other optical components in the accommodating tray 107 to damage these optical components.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems and provide an optical cable connection module capable of easily replacing a subscriber side optical fiber and connecting an optical fiber for test optical transmission. To do.

[0008]

In order to solve the above-mentioned problems, an optical cable connection module of the present invention is provided with a module main body fixed in a cabinet, an optical fiber connection module arranged in the module main body and a subscriber side optical fiber. A connecting optical cord for connecting a side optical fiber, and an accommodating tray accommodating a subscriber side optical connector that is attached to the module body so as to be drawn out and connects the subscriber side optical fiber and the connecting optical cord. An optical cable connection module including: a connector tray for accommodating a subscriber-side optical connector at the front end portion of the accommodating tray.

Therefore, by slightly pulling out the accommodating tray from the module main body and taking out the subscriber side optical connector from the connector accommodating portion provided at the front end portion of the accommodating tray, it is extremely possible to replace the subscriber side optical fiber. It can be done easily.

Here, it is preferable that an optical component accommodating portion for accommodating an optical component is provided at the rear portion of the module body.

Further, it is preferable that a plurality of connector accommodating portions are arranged at the front end portion of the accommodating tray.

Further, it is preferable that a plurality of storage trays are arranged in a matrix on the module body.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described below with reference to the accompanying drawings.

(First Embodiment) FIG. 1 shows a first embodiment of the present invention.
FIG. 3 is a perspective view showing the optical cable connection module 1 according to the embodiment of FIG. Further, FIG. 2 is a sectional view showing the optical cable connection module 1.

As shown in FIGS. 1 and 2, the optical cable connection module 1 includes one end 11a of a subscriber side optical fiber 11 extending from a subscriber side optical cable 10 and one end 21a of a station side optical fiber 21 extending from a station side optical cable 20. Is a module for connecting to and is housed in an FTM rack (cabinet) 30 in the telephone office. A subscriber terminal (not shown) is connected to the other end of the subscriber-side optical cable 10. Further, a transmission device (not shown) in the telephone office is connected to the other end of the station side optical cable 20. The FTM rack 30 is a rectangular parallelepiped housing having an upper frame plate 31 and a lower frame plate 32, and accommodates a maximum of 250 optical cable connection modules 1 in the space between the upper frame plate 31 and the lower frame plate 32. be able to.

That is, a plurality of guide grooves 31b having a T-shaped cross section are formed side by side on the lower surface 31a of the upper frame plate 31, and the upper surface 40a of each module body 40 is engaged with these guide grooves 31b. A matching T-shaped guide rail 41 is provided. By inserting the guide rails 41 into these guide grooves 31b, a plurality of optical cable connection modules 1 can be accommodated side by side in the space between the upper frame plate 31 and the lower frame plate 32 of the FTM rack 30. it can.

The optical cable connection module 1 comprises a rectangular parallelepiped module main body 40, a storage tray 50 that is vertically stored in a front end 40b of the module main body 40, a subscriber side optical fiber 11 and a station side optical fiber 21. And a connecting optical cord 60 for connection. Module body 4
The 0 and the storage tray 50 are both made of plastic.
Further, the subscriber side optical fiber 11 and the connection optical cord 60 are optically connected via a subscriber side optical connector 70,
An adapter 70a of the subscriber side optical connector 70 is fixed to one end 11a of the subscriber side optical fiber 11. Further, the plug 70b of the subscriber side optical connector 70 is fixed to one end 60a of the connecting optical cord 60, and the plug 70b is attached to the adapter 70a, whereby the subscriber side optical fiber 11 and the connecting optical fiber are connected. The cord 60 is optically connected.

Further, the station side optical fiber 21 and the connecting optical cord 60 are optically connected via a station side optical connector 71, and one end 21a of the station side optical fiber 21 has a plug 71a of the station side optical connector 71. Is stuck. Further, the plug 71b of the station side optical connector 71 is fixed to the other end 60b of the connecting optical cord 60. Further, the adapter 7 of the station side optical connector 71 is provided on the rear surface 40c of the module body 40.
1c is fixed with a screw or the like, and the plugs 71a and 71b are attached to the adapter 71c, whereby the office optical fiber 21 and the connecting optical cord 60 are optically connected.

The other end 60b of the connecting optical cord 60 is provided with a jumper cord portion 61 for performing multi-core / single-core conversion, and the base end 61a of the jumper cord portion 61 is provided with a fitting 62. There is. The connecting optical cord 60 is fixed to the module main body 40 by the mounting bracket 62.
Further, the cord pulling piece 6 is provided in the middle portion of the connecting optical cord 60.
3 is fixed. The cord pulling piece 63 pulls the connecting optical cord 60 rearward from the storage tray 50 by a predetermined length so that the connecting optical cord 60 can be loosened between the storage tray 50 and the mounting bracket 62. it can.

The module body 40 included in the optical cable connection module 1 has a rectangular parallelepiped box shape with an open front end 40b.
Central partition rail 4 extending rearward from a position substantially in the center of 0b
2 are provided. And this central partition rail 42
The front end 40a of the module body 40 is divided into upper and lower parts by the inside of the module body 40.
Is formed.

The storage tray 50 includes a side plate 50a, a front frame 50b and an upper frame 50 provided on the periphery of the side plate 50a.
It has a rectangular parallelepiped lid shape including a rear frame 50d, a rear frame 50d, and a lower frame 50, and a pull-out handle (not shown) is attached to a lower portion of the front frame 50b. Then, the operator can pull out the storage tray 50 from the module main body 40 by pulling the handle. In addition, by the operator pushing the front frame 50b of the storage tray 50,
The storage tray 50 can be inserted into the module body 40. In this way, the storage tray 50 can be pulled out from the module body 40.

At the center of the side plate 50a, there is provided a columnar round guide (minimum bending radius securing guide) 51 extending in a direction perpendicular to the side plate 50a. Around the radius guide 51, a radius larger than the radius of the radius guide 51 is provided with a margin, and the connecting optical cord 60 is provided.
Is wound. The R-guide 51 has a function of ensuring the minimum bending radius of the connecting optical cord 60 and the connecting optical cord 6
It has a function of processing an extra length of 0. The diameter of the radius guide 51 is about 60 mm.

Further, at the corner B between the front frame 50b and the upper frame 50c of the storage tray 50, a connector storage portion 52 for storing the subscriber side optical connector 70 is provided. Here, the corner B is provided at the front end portion of the storage tray 50. As shown in the enlarged perspective view of the main part of FIG.
The connector accommodating portion 52 has a cubic shape, and a connector accommodating hole 52a for accommodating the subscriber side optical connector 70 is formed in the center of the connector accommodating portion 52. Further, in the front portion of the connector accommodating portion 52, the connector accommodating hole 5
An optical fiber insertion hole 52b is formed which communicates with the outside from 2a and into which the subscriber side optical fiber 11 is inserted.

Further, at the rear of the connector accommodating portion 52,
An optical code insertion hole 52c is formed to communicate with the inside of the connector housing hole 52a and insert the connection optical code 60. Since the connector housing 52 is formed in this manner, the subscriber-side optical connector 70 can be housed in the connector housing hole 52a of the connector housing 52. On this occasion,
The subscriber side optical fiber 11 extending from the subscriber side optical connector 70 is inserted into the optical fiber insertion hole 52b, and the connection optical cord 60 extending from the subscriber side optical connector 70 is inserted into the optical code insertion hole 52c.

Further, as shown in FIGS. 1 and 2, a retracting piece accommodating portion 53 for accommodating the cord retracting piece 63 is provided at a corner C between the rear frame 50d and the upper frame 50c of the accommodating tray 50. ing. The pulling piece accommodating portion 53 has substantially the same shape as the connector accommodating portion 52, and can accommodate the cord pulling piece 63 and the connecting optical cord 60.

As shown in FIG. 4, a first partition 42a and a second partition 42b extending in the vertical direction are provided at both ends of a central partition rail 42 provided in the module body 40. Further, the upper surface 40a and the lower surface 40d of the module body 40 are provided with a first restriction piece 40e and a second restriction piece 40f, respectively, at positions facing the first and second restriction pieces 42a and 42b. Further, the storage tray 50
A protruding piece 54 extending upward is provided at a rear portion of the upper frame 50c, and a protruding piece 55 extending downward is provided at a rear portion of the lower frame 50e of the storage tray 50.

Therefore, the protruding piece 54 of the storage tray 50 is provided on the upper surface 40a of the module body 40 or the central partition rail 4.
The slide piece 55 of the accommodation tray 50 slides on the lower surface 40b of the module main body 40 or the center partition rail 4
The accommodation tray 50 can be pulled out or inserted into the module main body 40 by sliding on the top surface of the module main body 40. And
When the accommodation tray 50 is pulled out from the module main body 40, the accommodation tray 50 stops at the position where the protruding pieces 54 and 55 engage with the first restricting pieces 40e and 42a. Further, when the storage tray 50 is inserted into the module body 40, the storage tray 50 stops at the position where the protruding pieces 54, 55 engage with the second restricting pieces 40f, 42b.

Further, a stopper piece 42c extending in the vertical direction is provided in the vicinity of the second restricting piece 42b of the central partition rail 42, and the upper surface 40a and the lower surface 40d of the module main body 40 are positioned opposite to the stopper piece 42c. A stopper piece 40g is provided on each of the above. Therefore, when the storage tray 50 is inserted into the module body 40 up to the position where the protruding pieces 54, 55 and the second restricting pieces 40f, 42b are engaged, the protruding pieces 54, 55 become the second restricting pieces 40f, 4b.
The storage tray 50 is prevented from being displaced in the pulling-out direction by being sandwiched from both sides by the 2b and the stopper piece 42c.

Projecting pieces 54, 55 and second restricting pieces 40f, 4
In a state where the storage tray 50 is inserted into the module main body 40 up to the position where the connector tray 2 is engaged, the connector storage hole 52a of the connector storage portion 52 has the side plate 4 of the module main body 40.
It is covered with 0h (see FIG. 1). Therefore, the side plate 40h of the module body 40 serves as a lid, and the subscriber-side optical connector 70 is fixed in the connector accommodating hole 52a. next,
As shown in FIG. 5A, when the storage tray 50 is pulled out from the module main body 40, the connector storage portion 52 comes out of the module main body 40 and the subscriber side optical connector 70.
Is released.

Therefore, the subscriber side optical connector 70 can be detached from the connector accommodating portion 52. Here, the subscriber side optical connector 70 is the front frame 5 of the accommodation tray 50.
Since it is accommodated in the connector accommodating portion 52 provided in 0b, the subscriber side optical connector 70 can be detached only by slightly pulling out the accommodating tray 50 from the module main body 40. Therefore, even when the connector accommodating portion 52 is pulled out from the module body 40, the FO code of the accommodating tray 50 is accommodated in the module body 40. Therefore,
When the subscriber-side optical connector 70 is detached, it does not come into contact with other FO cords, connecting optical cords, or the like to cause damage.

Then, as shown in FIG. 5B, the optical connector 70 on the subscriber side taken out from the connector accommodating hole 52a.
Can be pulled out by the amount corresponding to the slack of the connecting optical cord 60 in the storage tray 50. As described above, the radius guide 5 is provided around the radius guide 51 in the storage tray 50.
The connecting optical cord 60 is wound with a radius larger than the radius of 1. Therefore, the subscriber side optical connector 70 can be pulled out until the connection optical cord 60 is wound around the R-guide 51 and the connection optical cord 60 is not loosened. In this way, the optical cord 60 for connection is the R guide 5
Even when wound around 1, the connecting optical cord 60 can maintain the minimum bending radius, so that the connecting optical cord 60 will not break.

The connector accommodating portion 52 has only to be provided at the front end portion of the accommodating tray 50, and the accommodating tray 5 is not required.
It may be arranged behind or below the 0 corner B. Even with such an arrangement, the subscriber side optical connector 70 can be detached from the connector accommodating portion 52 by only slightly pulling out the accommodating tray 50. For this reason, it does not come into contact with other FO cords, optical cords for connection or the like to damage them during work.

An eight-core connector is used for the subscriber side optical connector 70, and a single-core connector is used for the office side optical connector 71. Further, an 8-fiber is used as the subscriber side optical fiber 11, and the station side optical fiber 2
A single-core fiber is used for 1, and the connecting optical cord 60
Uses an 8-core code.

(Second Embodiment) Next, an optical cable connection module according to a second embodiment of the present invention will be described.
FIG. 6 is a sectional view showing the optical cable connection module 2 according to the second embodiment. The second embodiment is different from the first embodiment shown in FIGS. 1 and 2 in that an optical component accommodating portion 43 is provided in the module body 40, and a test optical fiber extending from the test apparatus 80. 81 and the branch code 61 branched from the optical coupler 45a are optically connected. Other configurations are almost the same as the configurations of the first embodiment. In addition, the same or equivalent components as those of the first embodiment are designated by the same reference numerals, and the description thereof will be omitted.

As shown in FIG. 6, the module body 40 of the optical cable connection module 2 is divided into front and rear by a partition plate 44, and an optical coupler 45 is provided in the space of the rear portion E.
An optical component housing portion 43 for housing the optical component 45 such as a and the optical filter 45b is provided. In the optical component accommodating portion 43, two column-shaped R guides 46 are obliquely arranged, and the connecting optical cord 60 is connected to these R guides 46.
Is wrapped around. And this optical cord 6 for connection
The optical coupler 45a and the optical filter 45b are fixed in the middle of 0, and the branch cord 61 branched from the optical coupler 45a is further wound around the R guide 46. The R guide 46 processes the excess length of the connecting optical cord 60 and the branching cord 61 and prevents the connecting optical cord 60 and the branching cord 61 from being bent. Note that the radius guide 46 has a diameter of about 60 mm.

As shown in FIG. 7, the branch cord 61 branched from the optical coupler 45a is optically connected to the test optical fiber 81 extending from the test apparatus 80 via the test optical connector 82. Therefore, the test light from the test apparatus 80 can be incident on the subscriber-side optical fiber 11 or the office-side optical fiber 21 via the optical coupler 45a, and the inspection of the disconnection or the like of these optical fibers 11 and 21 can be performed. It can be carried out. Specifically, as shown in FIG. 6, the two branch cords 61 branched from the optical coupler 45a are used as the upper storage tray 5.
The two test optical fibers 81 that enter 0 and extend from the test apparatus 80 are optically connected to each other inside the accommodation tray 50.

Two optical test connectors 82 are used for connecting these optical fibers, and these optical test connectors 82 are vertically arranged in a connector accommodating portion 52 provided in the front frame 50b of the accommodating tray 50. It is housed side by side. Since the test optical connector 82 is accommodated in the connector accommodating portion 52 in this way, the test optical connector 82 can be easily taken out from the accommodating tray 50 by only slightly pulling out the accommodating tray 50. Further, since the optical components 45 such as the optical coupler 45a and the optical filter 45b are accommodated in the optical component accommodating portion 43, when the subscriber side optical connector 70 or the test optical connector 82 is pulled out from the accommodating tray 50, an operator Does not contact the optical component 45, and the optical component 45 is not damaged by the operator's hand.

(Third Embodiment) Next, an optical cable connection module according to a third embodiment of the present invention will be described.
FIG. 8 is a sectional view showing the optical cable connection module 3 according to the third embodiment. The third embodiment differs from the first embodiment shown in FIGS. 1 and 2 in that the number of the storage tray 50 is one, and that the two connection optical cords 60 are provided in the storage tray 50. The point is that it is housed. Other configurations are almost the same as the configurations of the first embodiment. In addition, the same or equivalent components as those of the first embodiment are designated by the same reference numerals, and the description thereof will be omitted.

As shown in FIG. 8, one accommodation tray 5 is provided in the module body 40 of the optical cable connection module 3.
0 is stored. Two optical cords 60 for connection are accommodated in the accommodating tray 50, and the optical cords 60 for connection are optically connected to the two optical fibers 11 on the subscriber side via the optical connector 70 on the subscriber side. Has been done. That is, the connector accommodating portion 52 provided at the corner B of the accommodating tray 50 is formed with a connector accommodating hole 52a having a size capable of accommodating the two subscriber side optical connectors 70 vertically.

At the front of the connector accommodating portion 52, two rows of optical fiber insertion holes 52b are formed which communicate with the outside from the connector accommodating hole 52a and into which the two subscriber side optical fibers 11 are respectively inserted. Further, in the rear portion of the connector accommodating portion 52, two rows of optical cord insertion holes 52c that communicate with the inside of the connector accommodating hole 52a and into which the two connecting optical cords 60 are respectively inserted are formed. Since the connector accommodating portion 52 is formed in this manner, the connector accommodating portion 52
Two subscriber-side optical connectors 7 in the connector receiving holes 52a of
0 can be accommodated in two rows, upper and lower.

The detention piece accommodating portion 53 also has substantially the same shape as the connector accommodating portion 52, and the cord detention pieces 63 fixed to the middle portion of each connecting optical cord 60 can be accommodated in two rows, upper and lower. it can. And the two optical cords 60 for connection
The subscriber-side optical fibers 11 are optically connected to the respective ends 60a of the respective terminals via the subscriber-side optical connector 70. Further, the station-side optical fiber 21 is optically connected to the other ends 60b of the two connecting optical cords 60 via the station-side optical connector 71. Therefore, the two connecting optical cords 60
The two subscriber-side optical fibers 11 and the two office-side optical fibers 21 are optically connected via the. The storage tray 50 may contain three or more connecting optical cords 60. In this case, the connector housing 52 has three
More than one subscriber-side optical connector 70 is housed vertically.

In this way, a plurality of subscriber side optical fibers 11 can be optically connected to a plurality of office side optical fibers 21 by using one accommodation tray 50. For this reason, for example, when three connection optical cords 60 are accommodated in the accommodation tray 50, one accommodation tray 50 is used.
The subscriber optical fiber 11 of the book can be optically connected. As a result, the number of storage trays 50 can be reduced to 1/3, and the FTM rack 30 can be downsized.

(Fourth Embodiment) Next, an optical cable connection module according to a fourth embodiment of the present invention will be described.
FIG. 9 is a cross-sectional view showing the optical cable connection module 4 according to the fourth embodiment. The second embodiment differs from the first embodiment shown in FIGS. 1 and 2 in that a plurality of storage trays 50 are arranged in a matrix on the module body 40. Other configurations are almost the same as the configurations of the first embodiment. In addition, the same or equivalent components as those of the first embodiment are designated by the same reference numerals, and the description thereof will be omitted.

As shown in FIG. 9, the module body 40 of the optical cable connection module 3 is provided with a plurality of accommodating trays 50 in the vertical direction. In addition, the module body 4
0, a plurality of storage trays 50 are arranged in a direction perpendicular to the side plate 50a of the storage tray 50. Therefore, the plurality of storage trays 50 are arranged in a matrix on the module main body 40. Each storage tray 50
One of the connecting optical cords 60 is housed in the optical fiber cable, and the subscriber side optical fiber 11 is optically connected to one end 60a of the connecting optical cord 60 via the subscriber side optical connector 70. Further, the station side optical fiber 21 is optically connected to the other end 60b of the connecting optical cord 60 via a station side optical connector 71. Therefore, the subscriber side optical fiber 11 and the station side optical fiber 21 are optically connected via the connecting optical cord 60.

By arranging the plurality of storage trays 50 in a matrix in this manner, a large number of storage trays 50 can be stored in the module main body 40. Therefore, a large number of subscriber-side optical fibers 11 can be optically connected to a large number of office-side optical fibers 21 by using one FTM rack 30, and one subscriber-side optical fiber that can be connected by one FTM rack 30. The number of eleven is increased.

[0046]

As described above in detail, the optical cable connection module of the present invention is arranged in the module body, and the connection optical cord for connecting the subscriber side optical fiber and the office side optical fiber, and the module. It is attached to the main body so that it can be pulled out freely, and has a storage tray that stores a subscriber-side optical connector that connects the subscriber-side optical fiber and the connection optical cord, and the front end portion of the storage tray includes:
A connector accommodating portion for accommodating the subscriber side optical connector is provided.

Therefore, by slightly pulling out the accommodating tray from the module main body and taking out the subscriber side optical connector from the connector accommodating portion provided at the front end portion of the accommodating tray, it is extremely possible to replace the subscriber side optical fiber. It can be done easily. In particular, the storage tray may be pulled out to the extent that the connector storage portion is exposed, and the other optical components in the storage tray remain stored in the module body. For this reason, when taking out the optical connector of the subscriber side, it does not come into contact with other FO cords, optical cords for connection, etc., and these are not damaged by the hand of the operator.

[Brief description of drawings]

FIG. 1 is a perspective view showing an optical cable connection module according to a first embodiment.

FIG. 2 is a cross-sectional view showing an optical cable connection module according to the first embodiment.

FIG. 3 is an enlarged perspective view of an essential part showing a connector accommodating portion provided on an accommodating tray.

FIG. 4 is a cross-sectional view showing the optical cable connection module according to the first embodiment.

5A and 5B are enlarged perspective views showing a module main body and a storage tray.

FIG. 6 is a sectional view showing an optical cable connection module according to a second embodiment.

FIG. 7 is a schematic view showing a connection relationship of optical cords in a module body.

FIG. 8 is a sectional view showing an optical cable connection module according to a third embodiment.

FIG. 9 is a sectional view showing an optical cable connection module according to a fourth embodiment.

FIG. 10 is a cross-sectional view showing a conventional optical cable connection module.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Optical cable connection module, 11 ... Subscriber side optical fiber, 21 ... Local side optical fiber, 30 ... FTM rack (cabinet), 40 ... Module main body, 43 ... Optical component accommodating part, 50 ... Accommodating tray, 52 ... Connector accommodating Department, 60 ...
Optical cord for connection, 70 ... Optical connector on the subscriber side.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Takashi Ebihara 3-19-2 Nishishinjuku, Shinjuku-ku, Tokyo Nippon Telegraph and Telephone Corporation (72) Takashi Mima 3-19-2 Nishishinjuku, Shinjuku-ku, Tokyo No. within Nippon Telegraph and Telephone Corporation (72) Inventor Naoki Nakao 3-19-2 Nishishinjuku, Shinjuku-ku, Tokyo Inside NTT Corporation (72) Masato Kuroiwa 3-19-2 Nishishinjuku, Shinjuku-ku, Tokyo No. within Nippon Telegraph and Telephone Corporation

Claims (4)

[Claims] 1. A module main body fixed in a cabinet, a connection optical cord arranged in the module main body for connecting a subscriber side optical fiber and a station side optical fiber, and to the module main body. An optical cable connection module that is attached so as to be able to be pulled out and that includes an accommodating tray that accommodates a subscriber-side optical connector that connects the subscriber-side optical fiber and the connection optical cord, the front end portion of the accommodating tray. An optical cable connection module, characterized in that a connector accommodating portion for accommodating the subscriber side optical connector is provided in the. 2. The optical cable connection module according to claim 1, wherein an optical component accommodating portion for accommodating an optical component is provided at a rear portion of the module body. 3. The optical cable connection module according to claim 1, wherein a plurality of the connector accommodating portions are arranged at a front end portion of the accommodating tray. 4. The optical cable connection module according to any one of claims 1 to 3, wherein a plurality of the accommodating trays are arranged in a matrix in the module main body.