JP3240707U - optical distribution board - Google Patents

Abstract

Kind Code: A1 An optical distribution board capable of easily determining the number of cores of an optical fiber cable to be introduced, location information, and the like is provided. A connector panel 20 is formed by arranging a plurality of adapter panels 40' for connecting an optical fiber cable and an optical cord to the front and back of an adapter or connecting connectors on the optical cord side to the front and back of the adapter. Then, a connector connection section X is formed by attaching connector panels to the rack 10 over a plurality of stages, and a fusion splicing unit 50 for fusion splicing core wires at one end of each optical cord is attached to the rack over a plurality of stages. and a connection part Y, and in a state in which another adapter panel is rotated 90 degrees in a vertical plane with respect to a predetermined adapter panel in a single connector panel, the adapter in the predetermined adapter panel is attached. To make the difference between the orientation and the orientation of the adapter in another adapter panel visible from the outside. [Selection drawing] Fig. 1

Description

The present invention draws a plurality of types of optical fiber cables with different numbers of core wires into a rack and connects them with optical cords, or fuses a pair of optical fiber core wires with a connector connection part that connects optical cords with connectors. The present invention relates to an optical wiring board provided with a fusion splicing part to be connected on the upper and lower sides of a rack, and relates to a so-called self-supporting optical wiring board.

Conventionally known optical wiring boards of this type are described in, for example, Patent Document 1 (Japanese Patent No. 5528952) and Patent Document 2 (Japanese Patent No. 7009540).

In the optical wiring board described in Patent Document 1, by forming a surplus length processing portion for continuously curving the surplus length of the optical cord into a U-shape and an inverted U-shape on the side of the connector connection portion, This prevents the optical cord from slipping down due to vibration or its own weight, prevents the application of excessive tension to the optical cord, and prevents the optical cords from being entangled with each other.
In addition, the optical wiring board described in Patent Document 2 has a large number of partition members made of flexible resin detachably attached to the outer periphery of a cord hanger on which redundant optical cords are kept. processed in an orderly fashion.

Japanese Patent No. 5528952 (Fig. 1, Fig. 2, etc.) Japanese Patent No. 7009540 (Fig. 1, Fig. 2, etc.)

In the optical wiring board described in Patent Document 1, the area of the excess length accommodating portion in the entire board is large, so the larger the number of accommodated lines, the larger the optical wiring board tends to be.
In addition, the optical wiring board described in Patent Document 2 requires a large number of partition members with special shapes and structures, which raises the cost of the entire product.
Furthermore, in any conventional technology, since the orientation and arrangement of the adapter connected to the optical cord connector (SC connector, LC connector, etc.) are uniform, information on the connection source and connection destination at the connector connection part (location information) ) etc. is difficult to understand.

Therefore, the problem to be solved by the present invention is to reduce the size and cost of the entire panel, and to make it possible to easily determine information such as location information at the connector connection part and the number of core wires of the optical fiber cable drawn from the outside. To provide a wiring board.

In order to solve the above problems, the present invention provides an adapter panel for connecting a connector on the optical fiber cable side introduced from the outside and a connector on the optical cord side to the front and back of the adapter, or an adapter panel for connecting the connectors on the optical cord side to each other. a connector connection part formed by forming a connector panel by arranging a plurality of adapter panels for connecting to the front and back of the rack, and attaching the connector panel to a rack over a plurality of stages;
a fusion splicing section in which fusion splicing units for fusion splicing core wires at one end of a pair of optical cords are attached to the rack over a plurality of stages;
In an optical distribution board comprising
With respect to a given adapter panel within a single connector panel and with the other adapter panel mounted rotated 90 degrees in a vertical plane, the orientation of the adapter within said given adapter panel and within said other adapter panel. It is characterized by being able to visually recognize the difference from the orientation of the adapter from the outside.

Further, the present invention is characterized in that a plurality of adapter panels are continuously attached to the connector panel, and a jumper wire panel is attached to the end portion thereof.
A further feature of the present invention is that a jumper wire panel is mounted between each of the plurality of adapter panels mounted on the connector panel.
Here, it is desirable that the outer shapes of the connector panel and the jumper wire panel are squares of approximately the same size.
Further, it is desirable that the jumper wire panel is provided with a jumper wire guide for causing the optical cord as the jumper wire to hang down in the direction of the fusion splicing portion.

According to the optical distribution board according to the present invention, the size and cost of the entire board can be reduced, and moreover, the base information indicating the connection source, the connection destination, etc. of the optical distribution board and the core of the optical fiber cable introduced to the connector connection section can be obtained. The number of lines and the like can be visually and easily determined by the orientation of the adapter panel (adapter).

1 is a front view of an optical wiring board according to an embodiment of the present invention; FIG. FIG. 2 is a rear view of FIG. 1; 2 is a side view of FIG. 1; FIG. (a) is a sectional view taken along line AA in FIG. 1, and (b) is a sectional view taken along line BB. (a) is a front view of a connector panel, (b) is a plan view of the same, and (c) is a side view of the same. FIG. 4 is a front view of an adapter panel attached to a connector panel; FIG. 4 is a front view of a jumper wire panel attached to the connector panel;

An embodiment of the present invention will be described below with reference to the drawings. 1 is a front view of the optical wiring board according to the present embodiment, FIG. 2 is a rear view, FIG. 3 is a side view, FIG. It is a B sectional view. In FIG. 1, illustration of an optical code support 33 and the like appearing in FIG. 4, which will be described later, is omitted.

In FIG. 1, a connector connecting portion X is formed on the upper portion of a vertically long window-shaped rack 10, and a fusion splicing portion Y is formed below the connector connecting portion X. As shown in FIG.
The connector connection section X is constructed by attaching, for example, five horizontally long window-shaped connector panels 20 shown in FIG. ing.

In FIG. 1, each connector panel 20 has an adapter for connecting a connector on the side of an optical fiber cable introduced from the outside and a connector on the side of an optical cord, or connectors at one end of a pair of optical cords on the front and back of the paper surface. A plurality of adapter panels 40, 40' mounted with are fixed.
FIG. 6 is a front view of the adapter panels 40, 40', and 41 is, for example, a quadruple adapter. Here, two reference numerals 40 and 40' are used as the adapter panels, but both of them have the same shape and structure with a substantially square outer shape. , in appearance, become the adapter panel 40'. Although the adapter 41 actually has an internal structure necessary for connection with the connector, it is shown by a simple rectangle in FIGS.

Further, in FIG. 1, one end of each connector panel 20 is attached with a jumper wire panel 30 having the same outer shape (substantially square) as the adapter panels 40, 40'. These jumper wire panels 30 are for tidying up the extra length of the optical cord (jumper wire) between the adapter 41 and a fusion splicing unit, which will be described later. It is provided with a jumper wire guide 31 formed in a semi-cylindrical shape so as to be curved with a curvature of .
The arrangement of the jumper wire panel 30 is not limited to the example shown in the figure. A jumper wire may be suspended along the semi-cylindrical surface of 31 toward the fusing unit 50 .

When the adapter panels 40 and 40' are equipped with four series of adapters 41, one adapter panel, for example the adapter panel 40, can connect up to 40 cores (=4 cores x 10) of optical fiber cables. Therefore, the connector panel 20 arranged at the top in FIG. 1 can accommodate optical fiber cables of up to 200 cores (=40 cores×5). Similarly, the connector panel 20 arranged on the second stage in FIG. 1 can accommodate up to 80 optical fiber cables.

In addition to the above, optical fiber cables have various specifications with different numbers of core wires. The connector panels 20 arranged in the tiers can correspond to 16-core, 24-core, and 40-core optical fiber cables.
Since one to five adapter panels 40, 40' can be attached to each connector panel 20, a desired number of adapter panels 40, 40' can be attached according to the number of cores of the optical fiber cable. do it.

The fusion splicing portion Y provided below the connector connecting portion X is formed by stacking a plurality of fusion splicing trays 51 for fusion splicing the ends of a pair of optical cords (jumper wires) together. A fusing unit 50 is constructed, and the fusing units 50 are arranged, for example, in ten stages (six stages in FIG. 1). Semi-cylindrical external wire guides 52 are protruded from the front end of the fusion unit 50 for introducing the end of the optical fiber cable into the fusion splicing tray 51 when pulling in the optical fiber cable from below the rack 10 . ing.

The other ends of the pair of optical cords (jumper wires) are connected from the front to the adapters 41 in the adapter panels 40, 40' via connectors. Optical cords connected via connectors on the rear surfaces of these adapters 41 are connected to communication equipment or the like provided at the site where this optical wiring board is installed.

2 to 4, 11, 33, and 53 are optical cord supports for arranging the optical cords on the rear side of the rack 10 along the vertical direction, and 12 is an optical cord for placing the optical cords. A storage rack 32 is a jumper wire guide for arranging the jumper wires.

As previously described, adapter panels 40 and 40' of identical shape and construction can be attached to connector panel 20 while rotated 90 degrees in a vertical plane. Therefore, by connecting optical fiber cables with different numbers of core wires from the rear side to the adapters 41 of the adapter panels 40, 40' with different orientations, the optical fiber cables can be selected simply by visually checking the orientations of the adapter panels 40, 40'. The number of core wires can be determined.

Further, like the connector panels 20 on the first and second stages in FIG. is installed), and like the connector panels 20 on the third and fourth stages in FIG. A promise can be made that the optical cord connected to the back will be used for connection to communication equipment at another site. As a result, by looking at the orientation of the adapter panels 40, 40', in other words, the orientation of the adapter 41, it is possible to easily obtain the connection destination information of the optical cord connected to the adapter 41, thereby improving the wiring workability. It can be improved to shorten the time required.

X: Connector connection part Y: Fusion splicing part 10: Rack 11: Optical cord support 12: Optical cord storage shelf 20: Connector panel 30: Jumper wire panel 31, 32: Jumper wire guide 33: Optical cord support 40, 40 ': Adapter panel 41: Adapter 50: Fusion unit 51: Fusion splicing tray 52: External line guide 53: Optical cord support

Claims (5)

An adapter panel for connecting the optical fiber cable side connector and the optical cord side connector introduced from the outside to the front and back of the adapter, or an adapter panel for connecting the optical cord side connectors to the front and back of the adapter, a connector connecting part formed by arranging a plurality of connector panels to form a connector panel and attaching the connector panels to a rack over a plurality of stages;
a fusion splicing section in which fusion splicing units for fusion splicing core wires at one end of a pair of optical cords are attached to the rack over a plurality of stages;
In an optical distribution board comprising
With respect to a given adapter panel within a single connector panel and with the other adapter panel mounted rotated 90 degrees in a vertical plane, the orientation of the adapter within said given adapter panel and within said other adapter panel. An optical wiring board characterized in that the difference between the direction of the adapter and the direction of the adapter can be visually recognized from the outside. In the optical wiring board according to claim 1,
An optical wiring board, wherein a plurality of adapter panels are continuously attached to the connector panel, and a panel for jumper wires is attached to the end portion of each adapter panel. In the optical wiring board according to claim 1,
An optical wiring board, wherein a jumper wire panel is attached between a plurality of adapter panels attached to the connector panel. In the optical wiring board according to claim 2 or 3,
An optical distribution board, wherein the outer shapes of the connector panel and the jumper wire panel are squares of substantially the same size. In the optical wiring board according to claim 2 or 3,
An optical wiring board, wherein the jumper wire panel is provided with a jumper wire guide for causing the optical cord as the jumper wire to hang down in the direction of the fusion splicing portion.

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