Ultrak CCU-100HD User Manual page 37

Channel
3
4
5
6
7
8
b. COM 1 and COM 2
COM 1 and COM 2 are RS-232 ports. COM 1 is for connection to a
host computer. COM 2 is for connection to the Ultrak HD Series
Video Switcher.
1. COM 1 Pin-Out Assignments
COM 1 is a 9-pin male D-type connector. The mating female
connector is part number 842372-0354 and the back shell is
part number 842376-0374. The pin-out assignments for
COM 1 are as follows.
Pin 2
Pin 3
Pin 5
2. COM 2 Pin-Out Assignments
The COM 2 connector is a 25-pin D type male connector.
The mating female connector is part number 842374-0450.
The pin-out assignments for COM 2 are as follows.
Termination
Resistor
R15
R16
R17
R18
R19
R20
COM 1 PIN ASSIGNMENTS
RX
TX
GND
Jumper
W36
W37
W38
W39
W40
W41
Input data
Output data
2-13