JP3468736B2 - Extension type optical distribution frame and extension method of optical distribution frame - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an optical wiring board (expansion type optical wiring) for connecting an optical fiber to another optical fiber.
Panel) and optical wiring board expansion method.

[0002]

2. Description of the Related Art In order to branch and connect an optical fiber cable to an optical fiber core wire by optical connection, an optical distribution board in which a large number of optical fibers are terminated at an optical fiber termination portion to form a group is generally used. It In the case of adding such an optical distribution board, conventionally, only the terminating frame having the optical fiber terminating portion is connected to the optical distribution board.

[0003]

However, in the above-mentioned conventional extension method, the wiring of the jumper optical fiber for connecting the extended termination frame to the optical fiber termination portion becomes complicated. There was a problem.

The present invention has been made in view of the above-mentioned problems, and provides an additional type optical distribution board and an additional method of the optical distribution board which can easily and systematically perform the wiring of the jumper optical fiber even if it is added. With the goal.

[0005]

In order to achieve the above object, an extension type optical distribution board of the present invention is provided with a termination frame having an optical fiber termination portion and a jumper connected to the optical fiber termination portion. A jumper processing frame forming a processing space for processing an optical fiber, the termination frame being capable of connecting the jumper processing frame on both sides, and the jumper processing frame being on both sides of the termination frame. A body that can be connected to the optical wiring board via the jumper processing body, and a termination body different from the termination body on the opposite side of the termination body from the optical wiring board. Are connected via a jumper processing frame, and further, a jumper processing frame can be connected to the side of the other termination frame opposite to the jumper processing frame.

As described above, since the termination frame can be connected with the jumper processing frame on both sides and the jumper processing frame can be connected with the termination frame on both sides, the outer end of the optical distribution board can be connected. A jumper-treated frame is connected to the outside of the termination frame, and the termination frame is connected to the side opposite to the optical wiring board of the jumper-treated frame, and if necessary, the termination frame is further connected. The jumper-treated frame is connected to the jumper-treated frame, and the termination frame is connected to the jumper-treated frame.

In the method of adding an optical wiring board according to the present invention, a jumper processing frame forming a processing space for processing an optical fiber for a jumper connected to an optical fiber termination is connected to the optical wiring board, and the jumper processing is performed. forming linking the termination rigid with optical fiber terminations at the opposite side to said optical wiring board of hard
As a result, when adding a termination frame to the optical distribution board,
Between the optical wiring board and the termination frame, a jumper processing frame is installed.
The feature is to add more so as to intervene .

In this way, the jumper-treated frame is connected to the outside of the optical wiring board, and the termination frame is connected to the opposite side of the jumper-treated frame from the optical wiring board. A jumper processing frame will be interposed between the frame and the frame for expansion.

[0009]

BEST MODE FOR CARRYING OUT THE INVENTION The optical distribution board of the present invention (expansion type)
One embodiment of an optical wiring board) and a method of adding an optical wiring board will be described below with reference to FIGS. 1 and 2.

The add-on type optical distribution board of this embodiment processes a plurality of termination frames 2 each having an optical fiber termination 1 and a jumper optical fiber 3 connected to the optical fiber termination 1. It has a plurality of jumper processing frames 5 that form a processing space 4.

In this embodiment, the termination frame 2 is constructed so that the jumper processing frame 5 can be connected to the left and right sides, and the jumper processing frame 5 is constructed so that the termination frame 2 can be connected to the left and right sides. ing. Further, the termination frame 2 is configured so that the termination frame 2 can be connected to both right and left sides.

Each termination frame 2 and each jumper processing frame 5
Each has a wiring box portion 8 on the lower part thereof which can be wired with the jumper optical fiber 3.

The termination frame 2 connects a pair of side plate portions 10 arranged in parallel to each other, an upper plate portion 11 for connecting the upper portions of the side plate portions 10 and a lower portion of the side plate portion 10. It has a lower plate part 12 for making it connect and a back plate part 13 for connecting the rear parts of the side plate parts 10, and these side plate part 10 and upper plate part 1
1, an optical fiber terminating portion 1 is provided in a space surrounded by the lower plate portion 12 and the back plate portion 13.

Here, in the termination frame 2, as the optical fiber termination portion 1, the optical fiber 15 on the utilization side is introduced as the optical fiber 15 from the outside, and the line termination portion 1 is terminated.
A line terminating frame 2 in which only a plurality of (1a) are provided above and below
(2a), as the optical fiber terminating portion 1, the optical fiber 15 on the station side is introduced as the optical fiber 15 from the outside, and only a plurality of intra-station terminating portions 1 (1b) are provided above and below. An intra-station termination body 2 (2b), and a line-side termination portion 1 (1a) and a station-side optical fiber 15 into which a user-side optical fiber 15 is introduced and terminated as an optical fiber termination portion 1.
Is introduced and terminated in the office and is divided into a normal termination frame 2 (2c) provided with the same number of termination portions 1 (1b).

In the line terminating portion 1 (1a), a number of optical fibers 15 on the utilization side are connected to the optical connector 16 and terminated, and in the intra-terminal terminating portion 1 (1b), the optical signals on the station side are terminated. A plurality of fibers 15 are connected to the optical connector 16 and terminated. On the other hand, an optical connector plug 17 is attached to both ends of the jumper optical fiber 3, and the optical connector plug 17 at one end is fitted into a predetermined optical connector 16 of the line terminating portion 1 (1a), and the other end. By fitting the optical connector plug 17 of No. 1 to the predetermined optical connector 16 of the intra-terminal termination 1 (1b), the optical fibers 15 of the predetermined use side and the station side are optically connected.

The jumper processing frame 5 includes a side plate part 20 connectable to the side plate part 10 of the termination frame 2 and an upper plate part of the termination frame 2 connectable to the side plate part 20 on one side. 11 is an upper plate portion 21 that can be connected on both the left and right sides, and a lower plate that can be connected on one side to the side plate portion 20 and is on the left and right sides can be connected to the lower plate portion 12 of the termination frame 2. Part 22
And one side can be connected to the side plate portion 20 and the termination frame 2
Has a back plate portion 23 that can be connected to both left and right sides, and these side plate portion 20 and upper plate portion 2
A space surrounded by the lower plate portion 22, the back plate portion 23, and the side plate portion 10 of the termination frame 2 on the opposite side of the side plate portion 20 is defined as a processing space 4 for processing the jumper optical fiber 3. There is. In the processing space 4, a plurality of support members 24 for supporting the jumper optical fiber 3 are arranged in a state of being attached to the back plate portion 23, and using these support members 24, the jumper optical fiber 3 The extra length is curved and stored.

In the terminating frame 2, upper plate parts 21 of the jumper processing frame 5 can be connected to the left and right sides of the upper plate part 11, respectively, and the right and left sides of the lower plate part 12 are respectively connected. The lower plate portion 22 of the jumper processing frame 5 is connectable, and the back plate portions 23 of the jumper processing frame 5 are connectable to the left and right sides of the back plate portion 13, respectively.

With the above configuration, all termination frames 2
Can connect the jumper processing body 5 on both left and right sides,
All jumper-treated frames 5 are terminated on both left and right sides.
Can be connected.

As a result, the jumper treatment frame 5 is connected to the outside of the termination frame 2 which is the outer end of the optical wiring board, and the jumper treatment frame 5 is connected to the opposite side of the termination frame 2 from the termination frame 2. And the jumper processing frame 5 is connected to the next terminating frame 2 if necessary.
Further, it is possible to add an optical distribution board by connecting the next termination frame 2 further.

Specifically, when the basic optical distribution board is composed of the normal termination frame 2 (2c) at the right end in FIG. 1, the intra-station termination frame 2 (2b) is added on the left side thereof. Further, the jumper processing frame 5 is connected to the outside of the intra-station termination frame 2 (2b). That is, the intra-station termination frame 2 (2b)
The wiring box portion 8 of the jumper processing frame 5 is arranged so as to be adjacent to the wiring box portion 8 of FIG.
The upper plate portion 21 of the jumper processing frame 5 is attached to the upper plate portion 11 of the jumper processing body 5, the lower plate portion 22 of the jumper processing frame 5 is attached to the lower plate portion 12 of the intra-terminal termination frame 2 (2b), and the intra-terminal termination frame Back plate part 1 of 2 (2b)
3, the back plate portion 23 of the jumper processing frame 5 is connected to each other, and the upper plate portion 21, the lower plate portion 22 and the back plate portion 23 are connected to the opposite side of the intra-terminal termination frame 2 (2b). The side plate portion 20 of the jumper processing frame 5 is connected.

Next, the line termination frame 2 (2a) is connected to the outside of the jumper processing frame 5. That is, the wiring box portion 8 of the line termination frame 2 (2a) is arranged so as to be adjacent to the wiring box portion 8 of the jumper processing frame 5, and the line is formed on the upper plate portion 21 of the jumper processing frame 5. The upper plate part 11 of the end frame 2 (2a), the lower plate part 22 of the jumper processing frame 5 and the lower plate part 12 of the line termination frame 2 (2a), and the back plate part of the jumper processing frame 5. 23 is a back plate portion 13 of the line termination structure 2 (2a)
To the side plate portion 20 of the jumper processing frame 5 and the line termination frame 2
The side plate portions 10 of (2a) are connected to each other.

Further, the next jumper processing frame 5 is connected to the outside of the line termination frame 2 (2a). That is,
The wiring box portion 8 of the jumper processing frame 5 is arranged so as to be adjacent to the wiring box portion 8 of the line termination frame 2 (2a), and
An upper plate part 21 of the jumper processing frame 5 is provided on the upper plate part 11 of the line termination frame 2 (2a), and a lower plate of the jumper processing frame 5 is provided on the lower plate part 12 of the line termination frame 2 (2a). The portion 22 is connected to the back plate portion 13 of the line terminating body 2 (2a) and the back plate portion 23 of the jumper processing body 5 respectively, and these upper plate portion 21, lower plate portion 22 and back plate portion 23 are connected. The side plate portion 20 of the jumper processing frame 5 is connected to the opposite side of the intra-station termination frame 2 (2b).

Next, the next line termination frame 2 (2a) is connected to the outside of the jumper processing frame 5. That is, the wiring box portion 8 of the line termination frame 2 (2a) is arranged so as to be adjacent to the wiring box portion 8 of the jumper processing frame 5, and the line is formed on the upper plate portion 21 of the jumper processing frame 5. End frame 2 (2
a) the upper plate portion 11 and the lower plate portion 22 of the jumper processing frame 5
The lower plate portion 12 of the line terminating body 2 (2a), the back plate portion 23 of the jumper processing body 5 to the back plate portion 13 of the line terminating body 2 (2a), and the back plate portion 23 of the jumper processing body 5. The side plate portions 20 of the line termination frame 2 (2a) are connected to the side plate portions 20, respectively.

In the optical distribution board expanded as described above, the jumper processing frame 5 can be installed so as to be interposed between the termination frames 2 and 2. Even if the number of additional jumpers is increased, the jumper optical fiber 3 can be easily and neatly wired in the processing space 4 of the jumper processing frame 5.

In the above description, the case where each of the termination frames 2 has the wiring box portion 8 in the lower part has been described as an example, but as shown in FIG. The same applies when the unit 8 is provided.

[0026]

As described above in detail, according to the extension type optical distribution board of the present invention, the termination frame can be connected with the jumper treatment frame on both sides, and the jumper treatment frame is terminated on both sides. Since the frame can be connected, a jumper processing frame is connected to the outside of the termination frame that is the outer end of the optical wiring board, and the jumper processing frame is terminated on the opposite side of the optical wiring board. It is possible to expand by connecting the gantry and, if necessary, further connecting the jumper-processed gantry to the terminating gantry and connecting the terminating gantry to the jumper-processed gantry.

Therefore, it is possible to add the jumper processing body so as to intervene between the termination frame and the termination frame. Therefore, even if the extension body is installed, the jumper optical system is installed in the processing space of the jumper processing frame. Wiring of fibers can be performed easily and systematically.

In the method of adding an optical wiring board according to the present invention, the jumper-treated frame is connected to the outside of the optical wiring board, and the termination frame is connected to the opposite side of the jumper-treated frame to the optical wiring board. , A jumper processing frame will be interposed between the optical distribution board and the termination frame for additional installation.

Therefore, a jumper processing frame can be added between the existing optical distribution board and the terminating frame, so that even if the jumper processing frame is added, the jumper optical system can be used in the processing space of the jumper processing frame. Wiring of fibers can be performed easily and systematically.

[Brief description of drawings]

FIG. 1 is a front view of an optical wiring board illustrating an embodiment of the present invention.

FIG. 2 is a side sectional view of an optical wiring board illustrating an embodiment of the present invention.

FIG. 3 is a front view of an optical distribution board for explaining a modified example of the embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Optical fiber termination part, 2 ... Termination frame, 3 ... Optical fiber for jumpers, 4 ... Processing space, 5 ... Jumper processing frame.

Continuation of the front page (56) Reference JP-A-10-293214 (JP, A) (58) Fields investigated (Int.Cl. ⁷ , DB name) G02B 6/00 G02B 6/24

Claims (2)

(57) [Claims] 1. A termination frame (2) having an optical fiber termination (1) and a processing space (4) for treating a jumper optical fiber (3) connected to the optical fiber termination. A jumper processing frame (5) for connecting the jumper processing frame to both sides of the termination frame, and the jumper processing frame can couple the termination frame to both sides. , A terminating body different from the terminating body is provided with a jumper treating body on the opposite side of the terminating body from the terminating body connected to the optical distribution board via the jumper treating body. An extension type optical distribution board, which is connected via a jumper processing body to the side opposite to the jumper processing body of the other termination frame. 2. A jumper processing frame forming a processing space for processing an optical fiber for a jumper connected to an optical fiber termination is connected to an optical wiring board, and the jumper processing frame is connected to the optical wiring board of the jumper processing frame. As a result of connecting the terminating body having the optical fiber terminating portion on the opposite side, when adding a terminating body to the optical wiring board, a jumper processing body is provided between the optical wiring board and the terminating body. A method for adding an optical distribution board, characterized by adding so as to intervene between the two.