Clear-Com Communication Systems
Encore System Installation Instruction Manual
1-12
• AC Power Connection: An IEC type 320 connector is provided
on most Main Stations and Power Supplies to interface to the
appropriate AC power cord to be used. Refer to the chart on the
inside back cover of this manual. Main Stations and Power
Supplies can either be switched between 115 or 230 VAC
operation or will automatically adjust to voltages from 100 to 240
VAC at 50 or 60 Hz. Consult the User Manual for information on
the particular unit.
CONFIGURING CLEAR-COM PRODUCTS TO WORK
TOGETHER
Clear-Com Intercom Systems are designed to integrate with many
other Clear-Com products. The following sections describe some
frequently used configurations. Most of these configurations involve
the use of Clear-Com's versatile Call signal. This signal travels silently
through the intercom wiring and is often used to get the attention of
operators who have removed their headsets. However, as the
following descriptions show, it can also be used to control a variety of
functions.
TW-40/TW-47 Two-Way Radio Interface
The TW-40 is an earlier version of the TW-47 product but both product have
the same functionality.
It is often important to link walkie-talkies into an intercom system to
extend communication to remote persons. The TW-47 Two-Way
Radio Interface connects between an intercom line and a variety of
walkie-talkies, using one walkie-talkie as a base station. Refer to the
TW-47 Instruction Manual for details describing the connection of the
TW-47. To interface with the TW-47, the option switches of the Main or
Remote Station must be set as follows:
• Enable the Momentary Talk option switch or jumper on the
appropriate channel of the Main or Remote Station. Refer to
the User Manual for the Main or Remote Station to locate this
switch or jumper. This will cause the Talk button to have a
momentary only action and not latch.
• Enable the Call on Talk option switch or jumper on the
appropriate channel of the Main or Remote Station. Again,
refer to the User Manual for the Main to locate this switch or
jumper. This will cause the Call signal to be activated
whenever the Talk button is held down.
When the Talk button is depressed, the Call signal will be activated,
causing the transmitter connected to the TW-47 to be keyed. Audio on
the intercom line will then be transmitted over the two-way radio.
When the Talk button is released, the Call signal will disappear and
audio from the receiver of the two-way radio will appear on the
intercom line, allowing a reply.
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