JPH02174392A - Method and device for connection to multi-core cable of terminal with two-core wire interface - Google Patents

Abstract

PURPOSE:To easily set a terminal containing 2-core wire interface into a subscriber's private exchange system at a low cost by connecting the terminal containing 2-core wire interface to two voice transmitting core wires which are taken out of a multi-core cable set between a subscriber's private equipment and a key telephone. CONSTITUTION:A 2-core wire plug 10 attached at the tip of a 2-core cable 9 drawn out of a core wire take-out 8 is put into a plug socket 5a of a terminal 5 containing 2-core wire interface which is set in a subscriber's private exchange system. Thus the terminal 5 of a telephone reference equipment, etc., can be connected to a 4-wire cable 3 of the subscriber's private exchange system. Furthermore a 4-core wire plug 11 attached at the tip of the cable 3 drawn out of the part 8 is put into a plug socket 2a of a key telephone 2. Thus the outgoing/incoming network control is carried out via the telephone 2 and then switched to the terminal 5 in the case the terminal 5 has no network control function. Thus the terminal 5 can be connected to a telephone circuit.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention provides a method for connecting a terminal with a two-core wire interface, such as a telephone conference device, to a multi-core cable that connects an in-home exchange facility and a button telephone, and It is related to the device.

[Prior Art] As shown in Fig. 2, a home switching equipment (key telephone main device) 1 is provided, and a plurality of key telephones (telephone terminals dedicated to the switching equipment) 2 are connected to the home switching equipment 1. In a home switching system that allows extension processing between the key telephones 2, the home switching equipment 1 and each key telephone 2 are usually connected by a four-core cable (multi-core cable) 3. This four-core cable 3 includes audio transmission cores 13a and 3b for transmitting audio signals, and data transmission core 1ilA3c for transmitting control signals and the like for performing extension processing.
.

It is composed of a total of four core wires, 3d and 3d.

Therefore, in offices etc. equipped with a home exchange system,
The modular connection standard for terminals such as button telephone 2 is the same as the modular connection standard for terminals with a two-core wire interface (terminals connected to a two-core cable with two normal audio transmission cores; for example, a conference call device). It's different.

For this reason, when installing a terminal with a 2-core wire interface with a different modular connection standard in a home exchange system, it is conventional to install a new station M (2-core cable), or as shown in Figure 2. On the outside of the home exchange facility 1, a two-core cable 6 is branched off from a two-core cable (office line) 4 connected to the home exchange facility 1 and drawn in.

Then, a terminal 5 with a two-core wire interface, such as a telephone conference device, is connected to the drawn-in two-core cable 6.

Furthermore, if the terminal 5 does not have a network control function, the terminal 5 is connected to a network control function via a two-core cable 6.
The core telephone 7 must be connected.

[Il1 Problem to be Solved by the Invention] As described above, when installing a terminal 5 with a two-core wire interface such as a telephone conference device in a home exchange system, large-scale wiring work is required to draw in a new two-core cable 6. In addition to needing to do the following:

If the terminal 5 does not have a network control function, it is necessary to connect a telephone 7 with a network control function to the terminal 5, which requires a great deal of expense and effort.

In addition, in recent years, various terminal devices have been devised that use telephone lines to expand telephone functions, such as telephone conference devices as terminals with two-core wire interfaces. This was extremely inconvenient and improvements were desired.

The present invention aims to solve these problems by making it possible to easily and inexpensively connect a terminal with a two-core wire interface to a multi-core cable, and to connect the terminal with a two-core wire interface to a multi-core cable without performing large-scale wiring work. An object of the present invention is to provide a method and device for connecting to a multi-core cable, which enables the use of a terminal with a two-core interface.

[Means for Solving the Problems] In order to achieve the above object, a method for connecting a terminal with a two-core wire interface to a multi-core cable according to the present invention (claim 1) is provided.
) is characterized in that two core wires for voice transmission taken out from a multicore cable between the home exchange facility and the key telephone are connected to a terminal with a two-core wire interface.

Furthermore, the device for connecting a terminal with a two-core wire interface to a multi-core cable according to the present invention (claim 2) is provided with a core wire take-out portion for taking out a core wire from a multi-core cable between an in-home switching facility and a button telephone; The present invention is characterized in that two core wires for audio transmission out of the core wires taken out in the extraction section are connected to a two-core wire connecting member that can be coupled to a two-core wire interface of a terminal with a two-core wire interface.

[Function] In the connection method of the present invention described above, the two voice transmission core wires are taken out from the multicore cable between the home switching equipment and the button telephone set, and connected to a terminal with a two-core wire interface. There is no need for large-scale wiring work, such as bringing in a new two-core cable (central line) from the outside of the home exchange equipment, as required in the past.

Moreover, the above-mentioned connecting device of the present invention is for carrying out the above-mentioned connecting method, in the core wire take-out section.

Two core wires for audio transmission are taken out from a multi-core cable, and the two-core wire connecting member connected to these two core wires is connected to the two-core wire interface of the terminal with a two-core wire interface. A cable and a terminal with a two-core wire interface are easily connected.

[Embodiment of the Invention] Hereinafter, a method and device for connecting a terminal with a two-core wire interface to a multi-core cable as an embodiment of the present invention will be explained with reference to the drawings. Fig. 1(a) briefly shows the method. A block diagram for explanation, FIG. 1(b) is a wiring diagram showing an example of a connecting device of the present invention for carrying out the above method.

In FIG. 1(a), as in the past, 1 is a home exchange facility, 2 is a button telephone connected to the home exchange facility 1 via a 4-core cable 3, and 4 is a 2 button telephone connected to the home exchange facility 1. core cable (station IIA), and these in-house exchange facilities 1. The key telephone 2 constitutes a home exchange system. 5 is a terminal with a two-core wire interface (for example, a teleconference device) to be installed in the home exchange system.

In this embodiment, in order to connect the terminal 5 to the four-core cable 3, as shown in FIG. ,
Take out the four core wires 3a to 3d from the 4-core cable 3,
A two-core cable 9 is connected to a terminal 9 to two audio transmission core wires 3a and 3b among these four core wires 3a to 3d.
Two core wires 9a and 9b for audio transmission are connected to each other.

Next, a specific connection device for realizing such a connection method will be explained with reference to FIG. 1(b).As shown in FIG.
The core cable 3 includes four core wires 3a in the four-core cable 3.
A core wire takeout section 8 for taking out the core wires 3a to 3d is provided, and within the core wire takeout section 8, each of the core wires 3a to 3d is connected to terminals 88 to 8d and taken out.

Terminals 8 to which the audio transmission core wires 3a and 3b are connected
Two audio transmission core wires 9a and 9b from one end of the two-core cable 9 are taken out and connected to a and 8b. Further, a two-core wire plug (two-core wire connection member) 10 is connected to the other end side of the two-core cable 9, and this plug 10 is inserted into a two-core wire outlet (two-core wire interface) 5a in the terminal 5. It is now possible to combine.

In addition, a 4-core plug 11 is connected to the tip of the 4-core cable 3 between the core wire outlet 8 and the button telephone 2, and this plug 11 is connected to the 4-core wire outlet (4-core wire Interface) 2a can be inserted and connected.

Since the connection device of this embodiment is configured as described above, the two-core wire plug 10 at the tip of the two-core cable 9 pulled out from the core wire outlet 8 is connected to the two-core wire interface to be installed in the home exchange system. By simply plugging the attached terminal 5 into the outlet 5a, the two-core terminal 5, such as a telephone conference device, is connected to the four-core cable 3 in the home exchange system and becomes ready for use.

Furthermore, the 4-core cable 3 pulled out from the core wire extraction part 8
By inserting the 4-wire plug 11 at the tip into the outlet 2a of the button telephone 2, the wiring state is similar to that shown in FIG. 1(a). Therefore, if the terminal 5 connected to the 4-core cable 3 does not have a network control function, the button telephone 2 performs network control such as making and receiving calls, and then switches to the terminal 5 and connects the terminal 5 to the telephone line. -Can be done.

As described above, according to this embodiment, by using the device shown in FIG. 1(b), the terminal 5 with the two-core wire interface
can be easily and inexpensively connected to a four-core cable 3, and a terminal 5 with a two-core wire interface can be used in a home exchange system without performing large-scale wiring work as in the past.

In addition, when connecting a terminal 5 that does not have a network control function, there is no need to newly provide a telephone with a network control function as in the past, and the button telephone 2 connected to the 4-core cable 3 can be used. Network control for the terminal 5 can be performed using the terminal 5.

In addition, although the case of the four-core cable 3 was demonstrated as a multi-core cable in the said Example, this invention is not limited to this.

[Effects of the Invention] As detailed above, according to the connection method of the present invention, a terminal with a two-core wire interface is connected to two voice transmission core wires taken out from a multi-core cable between the home exchange equipment and the key telephone. Therefore, a terminal with a two-core wire interface can be installed within the home exchange system extremely easily and at low cost, without having to newly wire a two-core cable (office line) from the outside.

Further, according to the connection device of the present invention, the core wire extraction section connects two wires from the multi-core cable between the home switching equipment and the key telephone.
By taking out core wires for audio transmission from a book and combining the two-core wire connecting member connected to these core wires with a two-core wire interface, it becomes possible to connect a terminal with a two-core wire interface and a multi-core cable extremely easily. The same effects as the connection method described above can be obtained.

[Brief explanation of the drawing]

Figures 1 (a) and (b) show a method and device for connecting a terminal with a two-core wire interface to a multi-core cable as an embodiment of the present invention, and Figures 1 (,) simply illustrate the method. FIG. 1(b) is a wiring diagram showing an example of the connecting device of the present invention for carrying out the above method, and FIG. FIG. In the figure, 1 - home switching equipment, 2 - button telephone, 2
a...-4-core wire outlet (4-core wire interface), a, 3A-...4-core cable (multi-core cable), 3
a, 3b--core wire for audio transmission, 3c, 3d--core wire for data transmission, 4--2-core cable (office line), 5-,
Terminal with 2-core wire interface, 5a...2-core wire outlet (2-core wire interface), 8...-core wire outlet, 8a-8d...terminal, 9...-2-core cable, 9 a, 9 b-・-Core wire for audio transmission, 10-2
Core wire plug (2 core wire connection member), 11-/-4 core wire plug. Patent applicant Recruit Co., Ltd.

Claims (2)

[Claims] (1) Two voice transmission core wires are taken out from the multicore cable that connects the home exchange equipment and the key telephone, and the two voice transmission core wires taken out are connected to a terminal with a two-core wire interface. A method for connecting a terminal with a two-core wire interface to a multi-core cable, characterized by: (2) A core wire extraction section is provided that is connected to a multicore cable that connects the in-home exchange equipment and the key telephone and takes out the core wire from the multicore cable, and the audio of two of the core wires taken out at the coaxial wire extraction section is provided. A device for connecting a terminal with a two-core wire interface to a multi-core cable, characterized in that a two-core wire connecting member connectable to the two-core wire interface in the terminal with a two-core wire interface is connected to the transmission core wire.