JP2002022968A - Shelf device for wiring optical cord - Google Patents

Abstract

PROBLEM TO BE SOLVED: To obtain a shelf device for wiring optical cord in which each optical cord hung down from each shelf is easily taken out. SOLUTION: An optical coupler unit (optical apparatus) 1 is set up along the longitudinal direction on each of the selves 7 which are vertically arranged in plural stages. The more upward each shelf 7 is situated, the more outward the end 7a is extended. Each optical cord 3 which is connected to each optical coupler unit 1 is supported by the end 7a of the shelf 7. The more upward the cord 3 is situated, the more outward it is hung down in the state of extending.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical cord wiring shelf device used in the field of, for example, optical communication.

[0002]

2. Description of the Related Art In the field of optical communication, for example, as shown in FIGS. 3 and 4, one end of each optical cord 3 is connected to an optical connector 4 via an adapter 2 to a number of optical coupler units 1 as optical devices. The other end of each optical cord 3 is inserted into a hole arranged in the relay / branch unit 5 and internally connected to a not-shown star coupler optical component or connected to an optical fiber by a connector. The wiring between the unit 1 and the relay / branch unit 5 is performed. The relay / branch unit 5 is connected to a transmission device for various services. The optical coupler unit 1 has an optical connector including a plurality of adapters 2 on the right side in FIG. 4, and has a plurality of tape cores (not shown) on the left side. An MT connector for connection to an optical cable for monitoring various service transmission or an optical switch device for monitoring an optical line (optical fiber) for various service transmission is connected, and each internal optical fiber is provided with a coupler. It is branched and connected so that test light can be incident from these couplers, sent to various service transmission optical cables, and reflected light from various service transmission optical cables can be extracted from these couplers so that fault locations can be detected. It has become.

In this case, each optical coupler unit 1 is provided with a plurality of shelves 7 in an optical cord wiring shelf device having a plurality of shelves 7 at upper and lower levels.
On the optical cord 3 so that the wiring of the optical cord 3 can be changed. At this time, each of the optical cords 3 connected to each of the optical coupler units 1 hangs down from the respective shelf 7 toward the front as shown in FIGS.

[0004]

However, in the optical cord wiring shelf device having such a structure, the positions of the ends 7a of the respective shelves 7 are aligned vertically as shown in FIG.
Since the optical cords 3 hanging down from the end 7a of each shelf 7 are also arranged on the same plane in the vertical direction, it is difficult to take out a specific optical cord 3 at the time of wiring replacement or the like. There was a point.

An object of the present invention is to provide an optical cord wiring shelf device which can easily take out each optical cord hanging from each shelf.

[0006]

SUMMARY OF THE INVENTION According to the present invention, there is provided an optical cord in which optical equipment is installed on each of a plurality of upper and lower shelves, and each optical code from each optical equipment hangs down from each shelf. This is to improve the wiring shelf device.

In the optical cord wiring shelf device according to the first aspect, each of the optical cords hanging down from each of the shelves is hung so as to protrude outward toward the upper stage. Features.

With this arrangement, the horizontal hanging positions of the optical cords hanging from the respective shelves are different from each other, and the optical cords hanging from the respective shelves are taken out. Can be easily performed.

In the optical cord wiring shelf device according to the second aspect, each shelf according to the first aspect is formed so as to protrude outward toward the upper level, so that each optical code is located outward toward the upper level. It is characterized by being suspended in a protruding state.

[0010] Since each shelf is formed so as to protrude outward toward the upper stage, the optical cord is easily extended outward toward the upper stage by utilizing the difference in the projecting position of these shelves. You can hang down.

In the optical cord wiring shelf device according to a third aspect, each of the optical cords according to the second aspect is supported at an end of the shelf, and hangs down in a state where the optical cord projects upwardly outward. It is characterized by having been done.

As described above, when each shelf is formed so as to protrude outward toward the upper stage, and each optical cord is supported at the end of these shelves, it is possible to easily hang the upper stage so as to protrude outward. it can.

According to a fourth aspect of the present invention, the optical device according to any one of the first to third aspects is an optical coupler unit.

When the optical device is an optical coupler unit as described above, it is possible to easily detect, for example, a failure position of an optical cable by using the optical coupler unit.

[0015]

1 and 2 show an embodiment of an optical cord wiring shelf device according to the present invention.
FIG. 1 is a side view of a main part of an optical cord wiring shelf device of the present embodiment, and FIG.
FIG. 2 is an enlarged view of a portion A in FIG. Parts corresponding to those in FIG. 3 described above are denoted by the same reference numerals.

In the optical cord wiring shelf device of this embodiment,
Each shelf 7 is formed so as to protrude outward as shown in the upper tier. An end 7a protruding outside each shelf 7 is bent in an arc shape. The optical coupler unit 1 as an optical device is installed on each shelf 7. Each of the optical cords 3 connected to the adapter 2 of the optical coupler unit 1 by the optical connector 4 is supported by the ends 7a of the shelves 7 and hangs downward in such a manner that the upper tier projects outward. The adapters 2 arranged on the front of the optical coupler unit 1 of the shelf device correspond to subscribers of the optical communication service. The optical connector 4 connected to the adapter 2
Corresponds to the optical communication service provided to the subscriber.

When such a configuration is applied to the optical cord wiring shelf apparatus shown in FIG. 3, an optical communication service (optical connector 4 of optical cord 3) for a certain subscriber (adapter 2 'of an optical coupler unit 1) is provided. The optical connector 4 of the optical cord 3, which has been unplugged once, for example, when a change occurs, is reused when another request occurs, and is connected to the adapter 2 "of another optical coupler unit 1. This is repeated. It is necessary to once go to the vicinity of the relay / branch unit 5 so that the optical cords 3 do not become entangled with each other, and at this time, the horizontal hanging positions of the optical cords 3 hanging down from the shelves 7 at the respective stages are different. In this case, the optical cords 3 are separated from each other in the front and rear direction, so that it is easy to traverse.

In the above example, the ends 7a of the respective shelves 7 are arranged so as to protrude outward toward the upper stage, and the end portions 7a of the shelves 7 support the hanging positions of the optical cords 3. End 7 of
a, the upper end of the optical coupler unit 1 is arranged so as to protrude outward, for example, the end of the optical coupler unit 1 is placed near the end 7 a of the shelf 7, and each optical code 3 of the optical coupler unit 1 is placed on the end of the shelf 7. Instead of being supported by the portion 7a, it is also possible to naturally hang the upper step so as to protrude outward.

Alternatively, the ends 7a of the respective shelves 7 are the same in the upper and lower parts, and another protruding member is arranged so as to protrude outward from each of the shelves 7 as the upper stage, and each optical code 3 is placed on the upper side. It can also be hung with the step protruding outward.

[0020]

According to the optical cord wiring shelf device of the present invention, the optical cords hanging down from the respective shelves are hung so as to protrude outward toward the upper stage. , The hanging positions of the optical cords hanging from the shelves in each row are different in the horizontal direction,
Each of the optical cords hanging from each shelf can be easily taken out.

In the optical cord wiring shelf device according to the present invention, each shelf is formed so as to protrude outward toward the upper level, so that each optical code protrudes outward toward the upper level. Since the optical cords are lowered, it is possible to easily hang down the optical cords by using the difference between the positions of the shelves so that the optical cords are easily protruded outward toward the upper stage.

According to a third aspect of the present invention, each of the optical cords according to the second aspect is supported at an end of the shelf, and hangs down in a state in which the upper level projects outward. , So that the upper stage can easily be hung in a state of projecting outward.

In the optical cord wiring shelf device according to the fourth aspect, since the optical device is an optical coupler unit, it is possible to easily detect, for example, a failure position of an optical cable by using the optical coupler unit. it can.

[Brief description of the drawings]

FIG. 1 is a main part side view showing an example of an embodiment of an optical cord wiring shelf device according to the present invention.

FIG. 2 is an enlarged view of a portion A in FIG.

FIG. 3 is a front view of a conventional optical cord wiring shelf device.

FIG. 4 is a side view of a main part of a conventional optical cord wiring shelf device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Optical coupler unit 2, 2 ', 2 "adapter 3 Optical code 4 Optical connector 5 Relay / branch unit 7 Shelf 7a End part

Claims (4)

[Claims] 1. An optical cord wiring shelf device, wherein an optical device is installed on each of a plurality of shelves vertically, and each optical code from the optical device on each of the shelves hangs downward. The optical cord wiring shelf device, wherein each of the optical cords hanging down from each of the shelves is hung so as to protrude outward toward the upper stage. 2. The optical system according to claim 1, wherein each of the shelves is formed so as to protrude outward toward an upper stage, so that each optical code is protruded outward toward an upper stage. 3. The optical cord wiring shelf device according to claim 1. 3. The optical cord wiring according to claim 2, wherein each of the optical cords is supported at an end of the shelf, and hangs down in a state of being protruded outward toward an upper stage. Shelf device. 4. The optical cord wiring shelf device according to claim 1, wherein said optical device is an optical coupler unit.