Clear-Com Communication Systems
Encore System Installation Instruction Manual
1-2
Visual Signal Circuitry (Call Lights), a standard feature on all Main and
Remote Stations, allows the user to attract the attention of operators
who have removed their headsets. Certain stations also have an
audible Tone Alert feature which can be useful for this purpose.
Clear-Com manufactures a wide variety of both portable and
fixed-installation units. All are compatible with each other. Clear-Com
intercom systems can also interface with other communication
systems and devices.
POWER DISTRIBUTION AND SHORT CIR-
CUIT PROTECTION
A Main Station or Power Supply is the heart of an intercom system. It
has special features which are not found in traditional designs. It must
supply low-noise DC current to multiple intercom lines. It must
continue to operate in adverse conditions such as low AC line voltage,
momentary shorts on the DC power lines to the stations, and
excessive peak loads during power-on conditions.
Use the chart on this page to determine how many Speaker Stations
and Beltpacks can be powered in varying combinations by a Main
Station or Power Supply. Additional power supplies can be connected
for additional power capability if required by the application. The
current requirements of Clear-Com Remote Stations and Beltpacks
vary with model and use. A station which is simply '"on" and not being
used may draw only a small amount of current. Contact your dealer or
Clear-Com if you require further assistance in determining the overall
current requirements of your system.
Figure 1-1: Power Supply Loading
For example, the MS-702 provides DC power to operate Clear-Com
beltpacks and remote stations. The power is distributed between the
two channels and will support up to 40 RS-601 beltpacks or 10
speaker stations or 12 headset stations.
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