KR20080090809A - Shelf cassette and terminal box for communicating cable - Google Patents

Abstract

A shelf cassette and a terminal box for a communication cable are provided to reduce a light loss by reducing the number of connection points. A shelf cassette main body(35) includes a plurality of sequentially arranged unit cells. At least one or more sets of shelf sets(100) are provided at the unit cells, and includes a subscriber shelf(50) to which a subscriber cable(80) is fixed, an office line shelf(60) to which an office line cable(90) is fixed, and a management shelf(70) disposed between the subscriber shelf and the office line shelf. A plurality of cable connectors(72) are provided at equal intervals at a front side of the subscriber shelf and the management shelf. An end portion of the subscriber cable is connected from a rear side toward a front side at one side of the cable connector installed at the subscriber shelf, The office line cable having a jack connected to its end portion is selectively inserted from the front side toward the rear side at the other side of the cable connector installed at the subscriber shelf and the management shelf by way of the office line shelf.

Description

Shelf cassette and terminal box for communication cable {SHELF CASSETTE AND TERMINAL BOX FOR COMMUNICATING CABLE}

1 is a perspective view showing a terminal box for a communication cable according to the present invention,

2 is a perspective view illustrating a shelf cassette of a terminal box for a communication cable according to the present invention;

3 is a front view of FIG. 2,

Figure 4 is a perspective view showing a state in which the cable is connected to the shelf set of the terminal box for a communication cable of the present invention,

5 is a perspective view showing a shelf set mounted on a shelf cassette of a terminal box for a communication cable of the present invention.

<Description of Symbols for Main Parts of Drawings>

1: Terminal box for communication cable 2, 3: Door

12: upper casing 13: lower casing

30: unit cell 35: shelf cassette body

31, 32: rail 40: shelf cassette

50: Shelf for subscribers 51, 61, 71: Shelf body

52, 72: cable connector 53: cable arrangement member on the subscriber side

60: trunk line shelf 63: trunk line side cable trimming member

66, 67, 68: Slit 69: Jack

70: management shelf 80: subscriber side cable

90: trunk line cable 100: shelf set

105: cover 106: protective cap

The present invention relates to a terminal box for a shelf cassette and a communication cable, and more particularly, a shelf cassette and a communication cable capable of improving workability, reducing optical loss, and reducing manufacturing costs when connecting a trunk line cable and a subscriber cable. It relates to a terminal box for.

In general, a terminal box for a communication cable includes a casing for forming an exterior, and a shelf cassette provided inside the casing for forming / wiring a trunk line cable and a subscriber cable.

Shelf cassette is for clustering / wiring the trunk line side cable and the subscriber side cable, and has a trunk line shelf and a subscriber shelf provided with a plurality of connectors in front. Thus, the end of the trunk line side cable is connected to one side of the connector from the rear of the trunk line shelf forward, and the end of the subscriber side cable is connected to one side of the connector from the rear of the subscriber shelf forward. At this time, when the subscriber requests a service such as telephone or high-speed Internet, the service provider interconnects the trunk line cable and the subscriber cable using a jumper wire so that the service can be provided to the subscriber.

Jacks are connected at both ends of the jumper wire, and the jacks at both ends are connected to the other side of each connector of the trunk line shelf and the subscriber shelf, respectively, so that the trunk line side cable and the subscriber side cable can be interconnected.

However, in the conventional terminal box for communication cables, a jumper wire must be used when connecting the trunk line side cable and the subscriber side cable, which is cumbersome to always have a jumper wire, and the manufacturing cost is increased due to the use of the jumper wire. There is a problem.

In addition, when each cable is interconnected, there are two connection points. Since the optical loss occurs according to the connection point, the optical loss needs to be reduced.

Accordingly, an object of the present invention is a shelf cassette and communication that can reduce the optical loss by reducing the connection point, because the operation is convenient and the manufacturing cost can be reduced by not using a jumper wire when interconnecting the trunk line cable and subscriber cable It is to provide a terminal box for the cable.

According to the present invention, in the shelf cassette, the shelf cassette body having a plurality of unit cells sequentially arranged; At least one set provided in the unit cell and comprising a subscriber shelf fixed with a subscriber side cable, a trunk line shelf fixed with a trunk line side cable, and a management shelf disposed between the subscriber shelf and the trunk line shelf. The above shelf set; Including a plurality of cable connectors provided at equal intervals in front of the subscriber shelf and the management shelf, respectively, the end of the subscriber-side cable is connected from the rear to the front to one side of the cable connector installed in the subscriber shelf , The trunk line side cable connected to the jack is achieved by selectively inserted from the front side to the rear side of the cable connector provided in the subscriber shelf and the management shelf via the trunk line shelf.

Here, the subscriber shelf, the management shelf, the trunk line shelf is preferably mounted by sliding along the rail provided in the vertical direction on both sides of the unit cell.

The trunk line shelf has a plate-shaped shelf body and a coupling piece that is erected in front of the shelf body and coupled to the shelf cassette body and formed with a plurality of slits through which the trunk line side cable passes, and the plate surface of the shelf body includes: It is preferable that a guide member for guiding the cable is installed in front of the slit.

Preferably, the subscriber side cable and the trunk line side cable are optical cables.

According to another aspect of the present invention, the communication box terminal box, the front opening is formed, the cassette housing is provided, and the casing is formed in each of the inlet port through which the subscriber-side cable and the trunk line-side cable passes through; ; A door for opening and closing the front opening; It is achieved by including the shelf cassette provided in the cassette housing.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view showing a terminal box for a communication cable according to the present invention. As shown in FIG. 1, the terminal box 1 for a communication cable according to the present invention includes casings 12 and 13 having front openings 12a and 13a formed therein, and a cassette storage portion 10 and a front opening 12a. Doors 2 and 3 for opening and closing 13a, and a shelf cassette 40 installed in the cassette housing 10 for star clustering / wiring of the trunk line side cable 90 and the subscriber side cable 80; Is done. Here, the trunk line side cable 90 and the subscriber side cable 80 are provided with optical cables, and are advantageous for quickly transmitting a large amount of data such as a moving picture or voice by network communication such as the Internet.

The casing is provided up and down with the partition 11 therebetween, and consists of the upper casing 12 and the lower casing 13 in which the front openings 12a and 13a were formed, respectively. At this time, the door is composed of an upper door 2 which pivotally opens and closes the front opening 12a of the upper casing 12 and a lower door 3 which pivotally opens and closes the front opening 13a of the lower casing 13.

An inlet port 23a through which the subscriber side cable 80 enters the cassette compartment 10 is formed in the left side of the lower casing 13, and the trunk line side cable 90 is the cassette compartment 10 on the right side. The inlet port 23b for drawing in through is formed through. On the other hand, through-holes 22a and 22b through which the subscriber side cable 80 and the trunk line side cable 90 drawn in from each of the inlets 23a and 23b are allowed to pass through the plate surface of the partition 11.

Shelf cassette 40, as shown in Figures 2 to 4, is fixed to the cassette housing 10 with a bolt or a screw, and is formed in the form of a rectangular box with the front and the back opening. The shelf cassette 40 includes a shelf cassette main body 35 in which a plurality of unit cells 30 are integrally connected in an up and down direction, and the shelf set 100 is mounted corresponding to each unit cell 30.

That is, the shelf cassette 40 includes a shelf cassette body 35 composed of a plurality of unit cells 30; It is provided in correspondence with each unit cell 30, the subscriber shelf 50 to which the subscriber side cable 80 is fixed, the trunk line shelf 60 to which the trunk line side cable 90 is fixed, and the subscriber shelf ( 50) and a shelf set (100) consisting of a management shelf (70) disposed between the trunk line shelf (60). In the present exemplary embodiment, the shelf set 100 is mounted only on the uppermost unit cell 30, but the shelf set 100 may be sequentially mounted on the lower unit cell.

Since a shelf set 100 consisting of three shelves 50, 60, and 70 is mounted in one unit cell 30, each shelf 50, 60, 70 is slid on both sides of each unit cell 30. Rails 31 and 32 are formed to be mounted.

The subscriber shelf 50 has a plate-shaped shelf body 51 and a coupling piece 55 which is erected in front of the shelf body 51 and provided with a plurality of cable connectors 52 at equal intervals.

The plate surface of the shelf main body 51 is provided with the trimming member 53 of the subscriber side cable 80 for trimming the subscriber side cable 80. Thus, each line of the subscriber-side cable (80) wound and fixed by the trimming member (53) is connected from the rear to the front on one side of the cable connector (52).

The trunk line shelf 60 has a plate-shaped shelf body 61 and a coupling piece 65 that is erected in front of the shelf body 61 and coupled to the shelf cassette body 35.

The plate surface of the shelf main body 61 is provided with the trimming member 63 of the trunk line side cable 90 for trimming the trunk line side cable 90.

Three slits 66, 67, and 68 for penetrating the trunk line side cable 90 are formed through the coupling piece 65 in the horizontal direction, and each of the slits is formed in front of each of the slits 66, 67, and 68. A guide member 95 for guiding the trunk line side cable 90 that has passed through 66, 67, and 68 is provided in the shelf main body 51. At this time, the guide member 95 is provided in the same shape as the trimming member 63 provided in the shelf body 51, the shape is not limited to this, and various changes as long as it can guide the trunk line side cable 90 May be

Each end of the trunk line side cable 90 wound and fixed by the trimming member 63 is coupled with the jack 69, which is divided into groups to the outside of the slits 66, 67, and 68. It is installed to be located out of position.

The management shelf 70 is provided between the subscriber shelf 50 and the trunk line shelf 60, and is installed in front of the plate-shaped shelf main body 71 and the shelf main body 71 and provided with a plurality of at equal intervals. It has a coupling piece 75 provided with a cable connector 72.

The cable connector 72 of the management shelf 70 is for connecting the trunk line side cable 90 to which the jack 69 is connected, and generally, the trunk line side cable 90 without being connected to the subscriber side cable 80. ) Is temporarily inserted into the other side of the cable connector 72 of the management shelf 70. Then, when the subscriber applies for services such as a telephone or the Internet, the trunk line side cable 90 should be connected to the subscriber side cable 80, but the trunk line that was connected to the cable connector 72 of the management shelf 70 is connected. After removing the side cable 90, the subscriber side cable 80 and the trunk line side cable 90 can be interconnected by connecting to the cable connector 52 of the subscriber shelf 50.

Both sides of each coupling piece 55, 65, 75 of the subscriber shelf 50, the trunk line shelf 60, and the management shelf 70 are mounted on the unit cell 30 and then fixed to the shelf cassette body 35. Bolts 45 and 46 are provided, respectively, and nut holes 47 and 48 are formed at corresponding positions so that the unit cells 30 can engage with the bolts 45 and 46.

The terminal box 1 for the communication cable of the present invention configured as described above comprises a shelf set 100 comprising a subscriber shelf 50, a trunk line shelf 60, and a management shelf 70 in one set. The shelf set 100 is configured to be mounted in plurality in the shelf cassette 40.

The unit cell 30 on which the shelf set 100 is not mounted, that is, the front surface of the empty unit cell 30 may be shielded using a removable screen 105 (see FIG. 5) for aesthetics.

In addition, the cable connectors 52 and 72 to which the jack 69 is not inserted may be made to prevent foreign substances, such as dust, from entering inside the cable connectors 52 and 72 using the removable protective cap 106.

By such a configuration, the process of interconnecting the subscriber-side cable 80 and the trunk line-side cable 90 by the communication cable terminal box 1 of the present invention will be described briefly as follows.

First, the subscriber side cable 80 introduced into the cassette housing 10 through the inlet 23a formed in the lower casing 13 is connected to the cable connector 52 of the subscriber shelf 50. At this time, one area of the subscriber-side cable 80 is wound and fixed by the trimming member 53, and the end thereof is connected to one side of the cable connector 52 from the rear to the front.

Next, in order to connect the trunk line side cable 90 to the cable connector 72 of the management shelf 70, the trunk line side cable 90 is connected to the cassette housing section through the inlet 23b formed in the lower casing 13. 10), one area of the trunk line side cable 90 is fixed to the trunk line shelf 60. At this time, one area of the trunk line side cable 90 is wound and fixed by the trimming member 63 installed in the trunk line shelf 60, and the end thereof is guided after passing through three slots 66, 67, and 68. The member 95 is pulled out forward.

Next, after coupling the jacks 69 to the ends of the trunk line-side cable (90) drawn forward, the cable connector (300) provided with the trunk line-side cable (90) to which the jack (69) is coupled to the management shelf (70) 72) Temporarily inserted into the other side.

Thereafter, when the subscriber applies for a service such as a telephone or the Internet, the trunk line side cable 90 should be connected to the subscriber side cable 80, but the trunk line side that was connected to the cable connector 72 of the management shelf 70 is connected. After removing the cable 90, by connecting to the cable connector 52 of the subscriber shelf 50, the subscriber-side cable 80 and the trunk line-side cable 90 can be interconnected.

Therefore, the connection of the subscriber side cable 80 and the trunk line side cable 90 is made by simply inserting the jack 69 connected to the trunk line side cable 90 into the cable connector 52 to which the subscriber side cable 80 is connected. The jack 69, which is not connected to the subscriber-side cable 80, can be managed in a state of being temporarily inserted into the cable connector 72 of the management shelf 70.

In addition, in the conventional case, each cable is connected to one side of the cable connector from the rear, and then the other side of each cable connector is connected with a jumper wire to connect the subscriber side cable 80 and the trunk line side cable 90 to each other. According to the present invention, since the trunk line side cable 90 is provided to be directly connected to the subscriber side cable connector 52 while being pulled forward, there is an advantage in that it is possible to perform a clustering / wiring operation without the need for a conventional jumper wire. In other words, the elimination of jumper wires not only saves manufacturing costs, but also the jack 69 of the trunk line side cable 90 is connected to the subscriber side cable, unlike the conventional connection point where two connection points are connected when the subscriber side cable and the trunk line side cable are connected by the jumper wire. Direct connection with the (80) is reduced by one connection point has the advantage of reducing the optical loss.

In the above-described embodiment, the subscriber side cable and the trunk line side cable are provided as optical cables, but of course, the coaxial cable may be used.

The present invention is not limited to the above embodiments, and various modifications can be made without departing from the spirit and scope of the present invention. It will be apparent to those skilled in the art that such modifications belong to the claims of the present invention. .

As described above, according to the present invention, a jumper wire is not used when interconnecting the trunk line cable and the subscriber cable, so that the operation is convenient and the manufacturing cost can be reduced, and the shelf can reduce the optical loss by reducing the connection point. Terminal boxes for cassettes and communication cables are provided.

In addition, work time can be shortened to improve workability, and line management (operation maintenance) can be very easy.

Claims (5)

A shelf cassette body having a plurality of unit cells sequentially arranged; At least one set provided in the unit cell and comprising a subscriber shelf fixed with a subscriber side cable, a trunk line shelf fixed with a trunk line side cable, and a management shelf disposed between the subscriber shelf and the trunk line shelf. The above shelf set; Including a plurality of cable connectors provided at equal intervals in front of the subscriber shelf and the management shelf, respectively, The end of the subscriber side cable is connected from the rear to the front to one side of the cable connector installed in the subscriber shelf, the trunk line side cable connected to the jack is connected to the subscriber shelf and the management via the trunk line shelf Shelf cassette, characterized in that selectively inserted from the front side to the rear side of the cable connector installed in the shelf. The method of claim 1, Shelf cassette, characterized in that the subscriber shelf, the management shelf, the trunk line shelf is mounted by sliding along the rail provided in the vertical direction on both sides of the unit cell. The method of claim 1, The trunk line shelf has a plate-shaped shelf body and a coupling piece that is erected in front of the shelf body, coupled to the shelf cassette body, and having a plurality of slits through which the trunk line side cable passes. Shelf cassette, characterized in that the guide member for guiding the cable in front of the slit is installed on the plate surface of the shelf body. The method of claim 1, The subscriber side cable and the trunk line side cable is a shelf cassette, characterized in that the optical cable. A casing in which a front opening is formed to provide a cassette accommodating portion, and an inlet through which a subscriber side cable and a trunk line side cable pass through each side is formed; A door for opening and closing the front opening; The terminal box for the communication cable is installed in the cassette housing, characterized in that it comprises a shelf cassette of any one of claims 1 to 4.

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