
Power Supply
The PS-20 is the latest power supply. The PS-20 features 2-
and 4-channel operation, RTS monitoring, 2-channel program
input, audio linking, and 3-mode operation: RTS 2-channel,
RTS 4-channel, and Clear-Com mode. It also has double the
power output per channel of previous RTS power supplies,
which will substantially increase the number of user stations
and beltpacks that can be connected.
The PS-20 features two channels of communication where
both channels are “wet,” meaning there is power on each
channel (RTS 2-channel mode). In RTS 4-channel mode,
the audio signals and DC exist on the same wire. The PS-20
can also be switched into Clear-Com mode. The PS-20 has
a 3-pin XLR (male) connector on the front of the system,
where a RTS user station can connect and monitor activity
on either or both channels. A single PS-20 power supply has
1.8 amps per channel, which means the user can power up
more stations. If additional user stations or beltpacks are
needed, two PS-20s can be joined together to double the
power capability. A pair of standard stereo plug connectors
are available on the back of the power supply to connect two
PS-20s through audio linking as well. The 3-pin XLR female
program input connector can be used to send audio to both
CH 1 and/or CH 2.
PS-20
Power Supply
Power supplies are the heart of partyline intercom systems. They supply operating voltage to beltpacks and many user stations.
Unique, short-circuit reset circuitry design, and unparalleled mechanical engineering ensures reliable, trouble-free operation
for years to come. With all of the things you have to worry about, power supplies should not be one of them.
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