The 4000/A series intercom system is an economical system which allows a single master station to communicate selectively with up to 18 remote stations (depending upon capacity of the master station).

The 4000/A series can have one (1) master station only.

wiring is only 2-conductor (1-common and 1-selective), to each remote station.

Calls from each remote station to the master are indicated by visual lamp indicators.

The 4000/a master can be surface or desk mounted and a variety of remote stations are available in plastic, aluminum, stainless steel and brass.

No separate power supply is required, as the 4000/A series master station plugs directly into a 120VAC electrical outlet. Each 4000/A series master has a built-in power supply and audio amplifier.

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