CN103401113A - Dividing system and device - Google Patents

Abstract

The application discloses a branching system and device, the system includes a plurality of branching groups; the branching group includes a network cable and two identical branching devices, the branching device includes a branching interface and a bus interface; the branching interface includes at least one of a computer branching interface and a telephone branching interface; the bus interface and the computer branching interface are connected through 4 core wires, and the bus interface and the telephone branching interface are connected through 2 root core wire connection; when dividing the line through the embodiment of this application, it is only necessary to select two identical branching devices according to the needs of the division, plug their bus interfaces into the two ends of the network cable respectively, and connect one of the branching devices The splitter interface is plugged into the wiring cabinet and/or switch in the machine room, and correspondingly, the splitter interface of another splitter device is plugged into the computer and/or telephone; the plugging operation saves time and effort, and has no need for operators. The technical requirements solve the existing technical problems.

Description

A branching system and device

technical field

The present application relates to the technical field of communication, and in particular to a branching system and device.

Background technique

In places where telephones and computers are heavily used, the existing lines cannot meet the current application requirements due to insufficient consideration of scalability in weak current wiring, such as adding computers or telephones. The solution in the prior art is generally to manually divide one network cable into multiple paths. However, manual splitting of network cables has high technical requirements for operators, and the operation is time-consuming and labor-intensive.

Contents of the invention

In view of this, the purpose of this application is to provide a line splitting system and device to solve the problem of high technical requirements for operators and time-consuming and labor-intensive problems of existing manual splitting of network lines.

In order to achieve the above object, the application provides the following technical solutions:

A branching device, comprising a branching interface and a bus interface; the branching interface includes at least one of a computer branching interface and a telephone branching interface;

The bus interface and the computer branch interface are connected through 4 core wires, and the bus interface and the telephone branch line interface are connected through 2 core wires.

Preferably, every two completely identical bus interfaces of the branching devices are respectively plugged into two ends of a network cable having 8 core wires to form a branching group.

Preferably, the branching interfaces of the two branching devices in the branching group both include a computer branching interface and a telephone branching interface;

The telephone branching interface of a branching device in the branching group is connected to the distribution frame through a duckbill jumper, and the computer branching interface is plugged into the switch through a network cable; the other branching device in the branching group The telephone branch interface is plugged into the telephone through the telephone line, and the computer branch interface is plugged into the computer through the network cable.

Preferably, the branching interfaces of the two branching devices in the branching group include 1 computer branching interface and 2 telephone branching interfaces;

The telephone branching interface of a branching device in the branching group is connected to the distribution frame through a duckbill jumper, and the computer branching interface is plugged into the switch through a network cable; the other branching device in the branching group The telephone branch interface is plugged into the telephone through the telephone line, and the computer branch interface is plugged into the computer through the network cable.

Preferably, the branching interfaces of the two branching devices in the branching group each include two computer branching interfaces;

The computer branching interface of one branching device in the branching group is respectively plugged into the switch through a network cable; the computer branching interface of another branching device in the branching group is respectively plugged into a computer through a network cable.

Preferably, the branching interfaces of the two branching devices in the branching group each include two telephone branching interfaces;

The telephone branching interface of one branching device in the branching group is connected to the distribution frame through a duckbill jumper; the telephone branching interface of another branching device in the branching group is plugged into the telephone line through a telephone line machine.

Preferably, the branching interfaces of the two branching devices in the branching group each include three telephone branching interfaces;

The telephone branching interface of one branching device in the branching group is connected to the distribution frame through a duckbill jumper; the telephone branching interface of another branching device in the branching group is plugged into the telephone line through a telephone line machine.

Preferably, the branching interfaces of the two branching devices in the branching group each include four telephone branching interfaces;

The telephone branching interface of one branching device in the branching group is connected to the distribution frame through a duckbill jumper; the telephone branching interface of another branching device in the branching group is plugged into the telephone line through a telephone line machine.

A branching system, including a plurality of branching groups; the branching group includes a network cable and two identical branching devices as described in any of the above, and the bus interfaces of the two branching devices are respectively Plug with both ends of the network cable.

As can be seen from the above-mentioned technical scheme, the branching device provided by the present application includes a bus interface and a branching interface; Plug in both ends of the network cable, and plug the branching interface of one branching device into the wiring cabinet and/or switch in the computer room. Correspondingly, plug the branching interface of the other branching device into the computer and/or telephone. Therefore, the circuit division through the embodiment of the present application can be completed only through a few steps of plugging operations, the operation saves time and labor, and there is no technical requirement for the operator, which solves the problems in the prior art.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present application. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

FIG. 1 is a structural diagram of a branching device provided in an embodiment of the present application;

FIG. 2 is a structural diagram of a branching device and a corresponding branching group provided by an embodiment of the present application;

FIG. 3 is a structural diagram of another branching device and a corresponding branching group provided by the embodiment of the present application;

Fig. 4 is a structural diagram of another line distribution device and a corresponding line distribution group provided by the embodiment of the present application;

Fig. 5 is a structural diagram of another line distribution device and a corresponding line distribution group provided by the embodiment of the present application;

Fig. 6 is a structural diagram of another line distribution device and a corresponding line distribution group provided by the embodiment of the present application;

Fig. 7 is a structural diagram of another line distribution device and a corresponding line distribution group provided by the embodiment of the present application.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of this application.

The embodiment of the present application discloses a line splitting system and device to solve the problems of high technical requirements for operators and time-consuming and labor-intensive manual splitting of network lines in the prior art.

Referring to FIG. 1 , the branching device provided by the embodiment of the present application includes a bus interface 111 and a branching interface; the branching interface includes at least one of a computer branching interface 112 and a telephone branching interface 113 . The bus interface 111 is connected to the computer branch interface 112 through 4 core wires, and the bus interface 111 is connected to the telephone branch line interface 113 through 2 core wires.

It should be noted that Fig. 1 only shows a specific implementation mode having both a computer branching interface 112 and a telephone branching interface 113. Those skilled in the art can obtain them without any creative work, so they are all within the protection scope of the present application.

It can be seen from the above structure that the branching device provided by the embodiment of the present application includes a bus interface and a branching interface; At both ends of the network cable, and plug the branching interface of one branching device into the wiring cabinet and/or switch in the computer room, and correspondingly, plug the branching interface of the other branching device into the computer and/or telephone . Therefore, the circuit division through the embodiment of the present application can be completed only through a few steps of plugging operations, the operation saves time and labor, and there is no technical requirement for the operator, which solves the problems in the prior art.

According to the types and numbers of the line-splitting interfaces, the following embodiments 1 to 6 of the present application respectively provide a specific structure of a line-splitting device and a method of use thereof.

Embodiment one

The branching device provided in Embodiment 1 of the present application includes a bus interface, a computer branching interface and a telephone branching interface; every two branching devices form a branching group, which realizes providing a computer communication channel and a Telephone communication channel. Referring to Fig. 2, the two branching devices in the branching group are respectively a first branching device 110 and a second branching device 110'. Wherein, the bus interface 111 of the first telephone line branching device 110 and the bus interface 111' of the second telephone line branching device 110' are connected by a network cable 120; the computer branching interface 112 of the first telephone line branching device 110 is connected by a network cable Plugged into the switchboard 201, its telephone distribution interface 113 is connected to the distribution frame 202 through a duckbill jumper; the computer distribution interface 112' of the second telephone line distribution device 110' is plugged into the computer 301 through a network cable, and its telephone distribution The line interface 113' is plugged into the telephone set 302 through a telephone line.

In addition, since computer communication often prefers No. 1, No. 2, No. 3 and No. 6 core wires in the network cable 120, the bus interface 111 of the above-mentioned first branching device 110 is provided with 8 core wire positions, corresponding to the network cable 120 respectively. 8 core wires; the computer branch wire interface 112 has 4 core wire positions, which are connected to No. 1, No. 2, No. 3 and No. 6 core wire positions of the bus interface 111 through the core wires in turn; The core wire positions are connected to any two of No. 4, No. 5, No. 7 and No. 8 core wire positions of the bus interface 111 through the core wires (Fig. 2 takes No. 4 and No. 5 as an example). Correspondingly, the bus interface 111' of the second branching device 110' is also provided with 8 core wire positions, which respectively correspond to the 8 core wires of the network cable 120; The line is connected to No. 1, No. 2, No. 3 and No. 6 core wire positions of the bus interface 111'; the telephone branching device 113' is provided with 2 core wire positions, and the core wires are connected to No. 4 and No. 5 core wire positions of the bus interface 111'. No. 2, No. 7 and No. 8 core wire positions are connected to any two (Figure 2 uses No. 4 and No. 5 as an example). Therefore, through the above-mentioned connection relationship between the bus interface and the branch line interface, computer communication can be carried out through No. 1, No. 2, No. 3 and No. 6 core wires, and any two of the remaining four core wires can be used for telephone communication.

Embodiment two

The branching device provided in Embodiment 2 of the present application includes a bus interface, a computer branching interface and two telephone branching interfaces; every two branching devices form a branching group, which realizes providing a computer communication channel and Two telephone communication channels. Referring to Fig. 3, the two branching devices in the branching group are respectively a first branching device 110 and a second branching device 110'. Wherein, the bus interface 111 of the first telephone line branching device 110 and the bus interface 111' of the second telephone line branching device 110' are connected by a network cable 120; the computer branching interface 112 of the first telephone line branching device 110 is connected by a network cable plugged into the switchboard 201, and its two telephone branching interfaces 113 are respectively connected to the distribution frame 202 through duckbill jumpers; the computer branching interface 112' of the second telephone line branching device 110' is plugged into the computer 301 through a network cable, Its two telephone extension interfaces 113' are respectively plugged into the telephone set 302 through telephone lines.

In addition, since computer communication often prefers No. 1, No. 2, No. 3 and No. 6 core wires in the network cable 120, the bus interface 111 of the above-mentioned first branching device 110 is provided with 8 core wire positions, corresponding to the network cable 120 respectively. 8 core wires; the computer branch wire interface 112 has 4 core wire positions, which are connected to No. 1, No. 2, No. 3 and No. 6 core wire positions of the bus interface 111 through the core wires in turn; There are 2 core wire positions, and are respectively connected to two of the No. 4, No. 5, No. 7 and No. 8 core wire positions of the bus interface 111 through the core wires. Correspondingly, the bus interface 111' of the second branching device 110' is also provided with 8 core wire positions, which respectively correspond to the 8 core wires of the network cable 120; The wires are connected to No. 1, No. 2, No. 3 and No. 6 core wire positions of the bus interface 111'; two telephone branching devices 113' are equipped with 2 core wire positions, and are respectively connected to the bus interface 111' through the core wires. Two connections in core positions 4, 5, 7 and 8. Therefore, through the above-mentioned connection relationship between the bus interface and the branch line interface, the computer communication is realized through No. 1, No. 2, No. 3 and No. 6 core wires, and the other 4 core wires are combined in pairs to perform two-way telephone communication.

Embodiment Three

The branching device provided in Embodiment 3 of the present application includes a bus interface and two computer branching ports; every two branching devices form a branching group, so as to provide two computer communication channels through one network cable. Referring to Fig. 4, the two branching devices in the branching group are respectively a first branching device 110 and a second branching device 110'. Wherein, the bus interface 111 of the first telephone line branching device 110 and the bus interface 111' of the second telephone line branching device 110' are connected by a network cable 120; two computer branching interfaces 112 of the first telephone line branching device 110 They are respectively plugged into the switch 201 through a network cable; the two computer branching interfaces 112' of the second telephone line branching device 110' are respectively plugged into the computer 301 through a network cable.

In addition, since computer communication often prefers No. 1, No. 2, No. 3 and No. 6 core wires in the network cable 120, the bus interface 111 of the above-mentioned first branching device 110 is provided with 8 core wire positions, corresponding to the network cable 120 respectively. 8 core wires; two computer branch line interfaces 112 each have 4 core line positions, wherein the 4 core line positions of the first computer branch line interface 112a are sequentially connected with No. 1, No. 2, No. 3 and No. 6 of the bus interface 111 The four core wire positions of the second computer branch line interface 112b are connected with the No. 4, No. 5, No. 7 and No. 8 core wire positions of the bus interface 111 in turn. Correspondingly, the bus interface 111' of the second branching device 110' is also provided with 8 core wire positions, corresponding to the 8 core wires of the network cable 120 respectively; the two computer branch line interfaces 112' each have 4 core wire positions, Wherein the 4 core wire positions of the first computer branch line interface 112'a are connected with No. 1, No. 2, No. 3 and No. 6 core line positions of the bus interface 111' sequentially, and the 4 core line positions of the second computer branch line interface 112'b The core wire positions are sequentially connected to No. 4, No. 5, No. 7 and No. 8 core wire positions of the bus interface 111'. Therefore, through the above-mentioned connection relationship between the bus interface and the branching interface, the first computer branching interface 112a of the first branching device 110 and the first computer branching interface 112'a of the second branching device 110' are realized. Computer communication is carried out through No. 1, No. 2, No. 3 and No. 6 core wires, the second computer branch interface 112b of the first branch device 110 and the second computer branch interface 112'b of the second branch device 110' Computer communication via No. 4, No. 5, No. 7 and No. 8 core wires.

Embodiment Four

The branching device provided in Embodiment 4 of the present application includes a bus interface and two telephone branching interfaces; every two branching devices form a branching group, so as to provide two telephone communication channels through one network cable. Referring to Fig. 5, the two branching devices in the branching group are respectively a first branching device 110 and a second branching device 110'. Wherein, the bus interface 111 of the first telephone line branching device 110 and the bus interface 111' of the second telephone line branching device 110' are connected by a network cable 120; the two telephone line branching interfaces 113 of the first telephone line branching device 110 The two telephone line distribution interfaces 113' of the second telephone line branching device 110' are respectively plugged into the telephone set 302 through the telephone line.

Specifically, the bus interface 111 of the above-mentioned first branching device 110 is provided with 8 core wire positions, corresponding to the 8 core wires of the network cable 120 respectively; the two telephone branch line interfaces 113 each have 2 core wire positions. The 2 core wire positions of the computer branch line interface 113a are connected with the No. 1 and No. 2 core line positions of the bus interface 111 in turn, and the 2 core line positions of the second telephone branch line interface 113b are connected with the No. 7 and No. 8 core line positions of the bus interface 111 successively. No. core wire position connection. Correspondingly, the bus interface 111' of the second branching device 110' is also provided with 8 core wire positions, corresponding to the 8 core wires of the network cable 120 respectively; the two telephone branch line interfaces 113' each have 2 core wire positions, Wherein the 2 core wire positions of the first telephone branch line interface 113'a are connected with No. 1 and No. 2 core line positions of the bus interface 111' successively, and the 2 core line positions of the second telephone branch line interface 113'b are connected with the No. 1 core line positions successively The No. 7 and No. 8 core wire positions of the bus interface 111' are connected. Therefore, through the above-mentioned connection relationship between the bus interface and the branching interface, the first telephone branching interface 113a of the first branching device 110 and the first telephone branching interface 113'a of the second branching device 110' are realized. Carry out computer communication through No. 1 and No. 2 core wires of the network cable 120, the second telephone branch line interface 113b of the first branch line device 110 and the second telephone line branch interface 113'b of the second line branch device 110' through the network line 120 No. 7 and No. 8 core wires for computer communication.

It should be noted that the embodiment of the present application is not limited to the selection of No. 1 and No. 2 core wires and No. 7 and No. 8 core wires of the network cable 120 as two telephone communication lines. In fact, the eight core wires of the network cable 120 can be selected Two of them can constitute a telephone communication line, and only need to change the connection relationship between the bus interface of the branching device and the telephone branching interface accordingly.

Embodiment five

The branching device provided in Embodiment 5 of the present application includes a bus interface and three telephone branching interfaces; every two branching devices form a branching group, so as to provide three telephone communication channels through one network cable. Referring to Fig. 6, the two branching devices in the branching group are respectively a first branching device 110 and a second branching device 110'. Wherein, the bus interface 111 of the first telephone line branching device 110 and the bus interface 111' of the second telephone line branching device 110' are connected by a network cable 120; the two telephone line branching interfaces 113 of the first telephone line branching device 110 The two telephone line distribution interfaces 113' of the second telephone line branching device 110' are respectively plugged into the telephone set 302 through the telephone line.

Specifically, the bus interface 111 of the above-mentioned first branching device 110 is provided with 8 core wire positions, respectively corresponding to the 8 core wires of the network cable 120; each of the three telephone branch line interfaces 113 has 2 core wire positions, and the first The 2 core wire positions of the computer branch line interface 113a are connected with the No. 1 and No. 2 core line positions of the bus interface 111 in turn, and the 2 core line positions of the second telephone branch line interface 113b are connected with the No. 3 and No. 4 core line positions of the bus interface 111 successively. The two core wire positions of the third telephone branch line interface 113c are connected with the No. 5 and No. 6 core wire positions of the bus interface 111 in turn. Correspondingly, the bus interface 111' of the second branching device 110' is also provided with 8 core wire positions, corresponding to the 8 core wires of the network cable 120; each of the three telephone branch line interfaces 113' has 2 core wire positions, Wherein the 2 core wire positions of the first telephone branch line interface 113'a are connected with No. 1 and No. 2 core line positions of the bus interface 111' successively, and the 2 core line positions of the second telephone branch line interface 113'b are connected with the No. 1 core line positions successively The No. 3 and No. 4 core wires of the bus interface 111' are connected, and the two core wires of the third telephone branch interface 113'c are sequentially connected with the No. 5 and No. 6 core wires of the bus interface 111'. Therefore, through the above-mentioned connection relationship between the bus interface and the branching interface, the first telephone branching interface 113a of the first branching device 110 and the first telephone branching interface 113'a of the second branching device 110' are realized. Carry out computer communication through No. 1 and No. 2 core wires of the network cable 120, the second telephone branch line interface 113b of the first branch line device 110 and the second telephone line branch interface 113'b of the second line branch device 110' through the network line 120 No. 3 and No. 4 core wires for computer communication, the third telephone branching interface 113c of the first branching device 110 and the third telephone branching interface 113'c of the second branching device 110' pass through No. 5 of the network cable 120 It communicates with the computer on the 6th core wire.

It should be noted that the embodiment of the present application is not limited to the selection of No. 1 and No. 2, No. 3 and No. 4, and No. 5 and No. 6 core wires of the network cable 120 to form three telephone communication lines. In fact, the optional network cable 120 Two of the eight core wires can form a telephone communication line, and only need to change the connection relationship between the bus interface of the branching device and the telephone branching interface accordingly.

Embodiment six

The branching device provided in Embodiment 6 of the present application includes a bus interface and four telephone branching interfaces; every two branching devices form a branching group, so as to provide four telephone communication channels through one network cable. Referring to Fig. 7, the two branching devices in the branching group are respectively a first branching device 110 and a second branching device 110'. Wherein, the bus interface 111 of the first telephone line branching device 110 and the bus interface 111' of the second telephone line branching device 110' are connected by a network cable 120; the two telephone line branching interfaces 113 of the first telephone line branching device 110 The two telephone line distribution interfaces 113' of the second telephone line branching device 110' are respectively plugged into the telephone set 302 through the telephone line.

Specifically, the bus interface 111 of the above-mentioned first branching device 110 is provided with 8 core wire positions, corresponding to the 8 core wires of the network cable 120 respectively; each of the four telephone branch line interfaces 113 has 2 core wire positions, and the first The 2 core wire positions of the computer branch line interface 113a are connected with the No. 1 and No. 2 core line positions of the bus interface 111 in turn, and the 2 core line positions of the second telephone branch line interface 113b are connected with the No. 7 and No. 8 core line positions of the bus interface 111 successively. 2 core wire positions of the third telephone branch line interface 113c are connected with the No. 5 and No. 6 core line positions of the bus interface 111 successively, and the 2 core line positions of the fourth telephone branch line interface 113d are connected with the No. 6 core line positions successively The No. 7 and No. 8 core wire positions of the bus interface 111 are connected. Correspondingly, the bus interface 111' of the second branching device 110' is also provided with 8 core wire positions, respectively corresponding to the 8 core wires of the network cable 120; each of the four telephone branch line interfaces 113' has 2 core wire positions, Wherein the 2 core wire positions of the first telephone branch line interface 113'a are connected with No. 1 and No. 2 core line positions of the bus interface 111' successively, and the 2 core line positions of the second telephone branch line interface 113'b are connected with the No. 1 core line positions successively The No. 7 and No. 8 core wires of the bus interface 111' are connected, the 2 core wires of the third telephone branch interface 113'c are connected with the No. 5 and No. 6 core wires of the bus interface 111' in turn, and the fourth telephone The two core wire positions of the distribution interface 113'd are sequentially connected to the No. 7 and No. 8 core wire positions of the bus interface 111'. Therefore, through the above-mentioned connection relationship between the bus interface and the branching interface, the first telephone branching interface 113a of the first branching device 110 and the first telephone branching interface 113'a of the second branching device 110' are realized. Carry out computer communication through No. 1 and No. 2 core wires of the network cable 120, the second telephone branch line interface 113b of the first branch line device 110 and the second telephone line branch interface 113'b of the second line branch device 110' through the network line 120 No. 7 and No. 8 core wires for computer communication, the third telephone branching interface 113c of the first branching device 110 and the third telephone branching interface 113'c of the second branching device 110' pass through No. 5 of the network cable 120 Carry out computer communication with the No. 6 core wire, the fourth telephone branching interface 113d of the first branching device 110 and the fourth telephone branching interface 113'd of the second branching device 110' pass No. 7 and No. 8 of the network cable 120 Core wire for computer communication.

It should be noted that the combination of core wires of the four telephone communication lines in the embodiment of the present application is not limited to the combination of No. 1 and No. 2, combination of No. 3 and No. 4, combination of No. 5 and No. 6, and combination of No. 7 and No. 8 In fact, two of the eight core wires of the network cable 120 can be selected to form a telephone communication line, and only the connection relationship between the bus interface of the branching device and the telephone branching interface needs to be changed accordingly.

Through the above branching device, a network cable can be easily divided according to the application requirements, the operation saves time and effort, and there is no requirement for the technical level of the operator; and only need to change the type of the branching device on the network cable The re-segmentation greatly improves the utilization rate of the line.

Corresponding to the above line distribution device, an embodiment of the present application further provides a line distribution system.

The above distribution system includes a plurality of distribution groups; each distribution group includes a network cable and two identical distribution devices, and the bus interfaces of the two distribution devices are respectively plugged into the two ends of the network cable. For the specific structure of the sub-line group, please refer to the above-mentioned Embodiment 1 to Embodiment 6 (ie, FIG. 2 to FIG. 6 ). According to actual application requirements, multiple branching groups in the same branching system can be completely the same or different.

It can be seen from the structure and connection relationship of the above-mentioned system that in the embodiment of the present application, the division of the network cable is realized through the branching device. It is only necessary to select two identical branching devices according to the needs of the division, and insert their bus interfaces at both ends of the network cable respectively. , and plug the branching interface of one branching device into the wiring cabinet and/or switch in the computer room, and correspondingly, plug the branching interface of the other branching device into the computer and/or telephone. Therefore, the line division through the embodiment of the present application can be completed only through a few steps of plugging operation, the operation saves time and effort, and there is no technical requirement for the operator; and only need to change the type of the line splitting device on the network line, It can realize the re-segmentation of the network cable, which greatly improves the utilization rate of the line.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, the present application will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (9)

1. A branching device, characterized in that it comprises a branching interface and a bus interface; the branching interface comprises at least one of a computer branching interface and a telephone branching interface; The bus interface and the computer branch interface are connected through 4 core wires, and the bus interface and the telephone branch line interface are connected through 2 core wires. 2. The branching device according to claim 1, characterized in that, the bus interfaces of every two completely identical said branching devices are plugged respectively with the two ends of a network cable having 8 core wires to form a branching device. line group. 3. The branching device according to claim 2, wherein the branching interfaces of the two branching devices in the branching group all include a computer branching interface and a telephone branching interface; The telephone branching interface of a branching device in the branching group is connected to the distribution frame through a duckbill jumper, and the computer branching interface is plugged into the switch through a network cable; the other branching device in the branching group The telephone branch interface is plugged into the telephone through the telephone line, and the computer branch interface is plugged into the computer through the network cable. 4. The branching device according to claim 2, wherein the branching interfaces of the two branching devices in the branching group all include 1 computer branching interface and 2 telephone branching interfaces; The telephone branching interface of a branching device in the branching group is connected to the distribution frame through a duckbill jumper, and the computer branching interface is plugged into the switch through a network cable; the other branching device in the branching group The telephone branch interface is plugged into the telephone through the telephone line, and the computer branch interface is plugged into the computer through the network cable. 5. The branching device according to claim 2, wherein the branching interfaces of the two branching devices in the branching group all include two computer branching interfaces; The computer branching interface of one branching device in the branching group is respectively plugged into the switch through a network cable; the computer branching interface of another branching device in the branching group is respectively plugged into a computer through a network cable. 6. The branching device according to claim 2, wherein the branching interfaces of the two branching devices in the branching group all include two telephone branching interfaces; The telephone branching interface of one branching device in the branching group is connected to the distribution frame through a duckbill jumper; the telephone branching interface of another branching device in the branching group is plugged into the telephone line through a telephone line machine. 7. The branching device according to claim 2, wherein the branching interfaces of the two branching devices in the branching group all include 3 telephone branching interfaces; The telephone branching interface of one branching device in the branching group is connected to the distribution frame through a duckbill jumper; the telephone branching interface of another branching device in the branching group is plugged into the telephone line through a telephone line machine. 8. The branching device according to claim 2, wherein the branching interfaces of the two branching devices in the branching group all include 4 telephone branching interfaces; The telephone branching interface of one branching device in the branching group is connected to the distribution frame through a duckbill jumper; the telephone branching interface of another branching device in the branching group is plugged into the telephone line through a telephone line machine. 9. A branching system, characterized in that it includes a plurality of branching groups; the branching group includes a network cable and two completely identical branching devices as described in any one of claims 1 to 8, the two The bus interfaces of each of the branching devices are respectively inserted into the two ends of the network cable.

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