JPH025962U - - Google Patents

Description

[Brief explanation of the drawing]

Figures 1a and b are a front perspective view and a rear view showing an interface unit according to an embodiment of the present invention attached to a mounting frame, and Figure 2 is a schematic configuration of a control system using the same interface unit. 3 is a front view of the same telephone control device, FIG. 4 is a circuit diagram of the interface unit, FIG. 5 is a wiring diagram of the same, FIG. 6 is an explanatory diagram of the same operation, and b is an explanatory diagram of the wiring state same as above. 1 is a telephone control device, 2 is an air conditioner, 3 is
is the interface unit, 20 is the case, 2
2, 25, and 30 are signal lines, 23 is a modular jack, 24 is a modular outlet, and 26, 28 are input/output terminals.

Claims (1)

[Scope of utility model registration request] A telephone control system that remotely controls a controlled load by capturing control signals transmitted from the control side via a telephone line, and also sends back a monitor signal indicating the operating status of the controlled load to the control side via the telephone line. It is installed between a telephone control device connected to a telephone line and a controlled load, and has a modular outlet on the front of the case to which a modular jack for a signal line from the controlled load is connected. An interface comprising a first input/output terminal on the back surface to which a signal line from a telephone control device is connected, and a second input/output terminal to which a signal line from a controlled load is connected. unit.