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2-22
•
•
•
Channels 7 and 8
Channels 7 and 8 are not used.
COM 1
COM 1 is for connection to a Host Computer (by others).
CCU-100/HD
COM 1
Pin 2
RX
Pin 3
TX
Pin 5
GND
COM 2
COM 2 is for connection to the Ultrak HD Series Video Switcher.
The switcher provides a communication cable with 6-pin RJ-11
connectors on both ends and a 25-pin Sub D connector with an RJ-
11 connector. Plug one end of the communication cable into the
RJ-11 RS-232 connector on the rear panel of the HD series video
switcher. Plug the other end of the communication cable into the
RJ-11 connector on the 25-pin Sub-D connector. Attach the 25-pin
Sub-D connector to COM 2 on the CCU-100/HD Central Control
Unit.
HOST
TO
COMPUTER
TO
TX
TO
RX
TO
GND
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