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Vitec Group Communications
CellCom-10 Instruction Manual
4 - 2
IEC Power Connector
The 3-conductor AC power connector and universal power supply
accepts voltages from 90 to 250 volts, at 50/60 Hz. Power
consumption is 80 watts.
Party Line Channel A Connectors
The CellCom 10 base station provides two pairs of party-line
connectors, labeled “Channel A” and “Channel B.” Each pair of female
and male 3-pin XLR connectors joins a channel of party-line intercom
to the CellCom 10, allowing communication between the wired
party-line equipment and CellCom 10 wireless beltpacks. Input and
Output level control is set via the front-panel display programming.
The second connector of each pair is a loop-through, so that the user
can continue the connection to another CellCom 10 base station or to
another party-line beltpack or station. This connector auto-detects a
connection with a powered party-line channel (30-VDC on Pin 2), and
the base’s internal 200-ohm party-line termination and DC voltage to
power PL beltpacks is not activated.
Alternatively, when a wired, unpowered party-line beltpack (up to four)
is connected to PL CH-A with standard two-conductor shielded
microphone cable, the base station engages the 200-ohm termination
and supplies 24-VDC to the beltpack(s) – allowing them to operate and
communicate with the wireless beltpacks in the system.
Party Line Channel B Connectors
These connectors are the same as those for PL CH-A.
Program Input Connector
This female 3-pin XLR connector accepts a line-level audio signal from
an outside source such as a mixing console or audio player. It is
transformer-isolated. Level adjustment is done via the front-panel
display programming. The program input shares a time slot with the
stage announce output, described below.
Stage Announce Output Connector
This male 3-pin XLR connector allows a line-level audio signal,
typically a voice from a wireless beltpack user, to be sent to a paging
system or other audio system. It is transformer-isolated. Level
adjustment is done via the front-panel display programming. One
beltpack at a time can access this output, and it may be programmed
to a CEL-BP. It is activated by pushing the talk on the beltpack rotary
encoder to which the SA Output is assigned.
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