JPH0441656Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a disconnector with a light-emitting display installed at a connection point between a telephone line and terminal equipment.

Problems to be Solved by Prior Art and Inventions Conventional technology includes a "plug-in rosette" with a built-in capacitor.

As shown in Figure 7, a composite CR circuit T is inserted in parallel with the telephone line P, and in the event of a failure, the terminal side Q is disconnected and the capacitance of the capacitor C (0.27 F) is used to determine the quality of the telephone line by checking the presence or absence of the problem, but this does not have a function that allows the user to determine the location of the failure on their own. R is 100KΩ.

In addition, at telephone stations, because the details of malfunction reports from users are not specific, it is unclear whether the malfunction is on the telephone line or the terminal, which often results in unnecessary dispatching, which has become a problem. Ta.

This invention provides a disconnector with a display function that allows the user to visually determine the location of the failure in the event of a failure of telephone lines or terminal equipment, prior to the disconnection work by telephone office employees. The purpose is to provide.

Means for Solving the Problems The present invention provides two contacts K and L between one terminal of a four-terminal circuit provided with a terminal on the telephone line side and a terminal on the terminal equipment side.
A changeover switch is provided, one contact K constitutes one communication circuit, an adjustment resistor and a light emitting diode are connected in series to constitute a display circuit, and one end of the display circuit is connected to the other side of the changeover switch. , and the other end is connected between the other terminals of the four-terminal circuit.

Function The present invention connects the display circuit as described above, and in the event of a failure, changes the changeover switch and visually checks whether the light emitting diode of the display circuit emits light.

If it emits light, there is no problem with the telephone line, but there is a problem with the terminal equipment. If no light is emitted, the above will be reversed.

The user can easily visually confirm whether the fault is on the telephone line side or on the terminal equipment side, and subsequent countermeasures can be easily taken.

Embodiment FIG. 1 is a perspective view of a separator with a light-emitting display (hereinafter referred to as a separator) of the present invention, and FIG. 2 is a circuit diagram of the separator of the present invention.

The configuration of the cutter of the present invention will be explained.

In the figure, 10 is a cutter, 10A is a housing, 1
is a changeover switch, 2 is a light emitting diode, 3 is an adjustment resistor that prevents the "light emitting diode" from lighting up if the telephone line condition falls below the maintenance standard, A is an incoming line on the telephone line side, B is an incoming line on the terminal equipment side, shows.

The changeover switch 1 has contacts K and L, and the adjustment resistor 3 and the light emitting diode 2 are connected in series and connected to one contact terminal L of the changeover switch 1.

Figure 3 shows a plug-in rosette with a built-in disconnector circuit according to the present invention (no capacitor is built in).
FIG. 4 shows its circuit diagram.

FIG. 5 is a perspective view of a safety device (a security device provided at the connection point between the telephone drop-in line and the indoor line) incorporating the disconnector circuit of the present invention, and FIG. 6 is a circuit diagram thereof.

The cutter of the present invention is housed in a plug-in rosette or safety device as described above. When the telephone line becomes defective, the switch 1 is switched to the light emitting diode 2 circuit. If the changeover switch 1 is switched and the light emitting diode 2 emits light, it can be visually confirmed that there is no failure on the telephone line side and that there is a failure on the terminal equipment side. When no light is emitted, it can be visually observed that the above is the opposite.

Effects of the invention This invention allows the user to visually check whether the light-emitting diode emits light by simply flipping a switch at the disconnection point of the equipment.
The failure location can be determined visually.

Therefore, before reporting the malfunction to the telephone office, the user can grasp the information regarding the malfunction at the disconnection point and take necessary measures. Since the contents of the report from the user will be more specific at the telephone office, appropriate responses can be made, which will also lead to a reduction in repair time.

[Brief explanation of the drawing]

Fig. 1 is a perspective view of the separator with luminescent display of the present invention;
Figure 2 is a circuit diagram of the disconnector of the present invention, Figure 3 is a perspective view of a plug-in rosette incorporating the circuit of the disconnector of the present invention, Figure 4 is the circuit diagram of Figure 3, and Figure 5. is a perspective view of a safety device incorporating the disconnector circuit of the present invention;
FIG. 6 shows the circuit diagram of FIG. 5, and FIG. 7 shows a circuit diagram of a conventional plug-in rosette. 10... Disconnector with light emitting display, 1... Changeover switch, 2... Light emitting diode, 3... Adjustment resistor,
A...Telephone circuit side incoming line, B...Terminal equipment side incoming line.

Claims (1)

[Scope of utility model registration request] A changeover switch having two contacts K and L is provided between one terminal of a four-terminal circuit provided with a terminal on the telephone line side and a terminal on the terminal equipment side, and one communication circuit is configured with one contact K, and an adjustment resistor and A light-emitting display in which a display circuit is constructed by connecting a light-emitting diode in series, one end of the display circuit is connected to the other contact L of the changeover switch, and the other end is connected between the other terminals of the four-terminal circuit. Separator with cutter.