PS31 Intercom System Power Supply
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The Model PS-31 supplies 32 volts of regulated DC power to each of
three intercom channels. It has short circuit and thermal overload
protection, with automatic recovery when the fault is removed.
FEATURES:
Program Input
There is a program input connector on the rear panel. A channel
assign switch on the front panel assigns the program to any of the
three channels. A level control adjusts the program level to the
intercom channel.
Status Indicators
There is an audible...
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