JPS62165708U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a schematic perspective view showing an embodiment of the switchboard collective display device of this invention, FIG. 2 is a block diagram,
Fig. 3 is a diagram showing the format of transmission data, Fig. 4 is a diagram schematically showing the collective display device for a switchboard of this invention, Fig. 5 is a schematic diagram showing another embodiment, and Fig. 6 is a conventional example. Schematic diagram showing. 4...Control unit, 5...Electronic collection display unit, 6...Terminal equipment, 7...Detection unit.

Claims (1)

[Scope of utility model registration request] A detection means for detecting the state of the terminal, a control means for sending a designated signal to the plurality of detection means and determining the state by inputting the detection signals from the plurality of detection means, and a state determination signal from the control means. and a display means for displaying the status of the terminal by inputting a signal, and each of the above-mentioned detection means is connected in series to the control means by a signal transmission path, and when a specified signal from the control means is input, A collection display device for a switchboard, characterized in that it sends out a detection signal to a control means, and in a state where itself is not designated, sends out a designation signal and a detection signal from another detection means as they are.