User`s guide

Triplex Digital Video Multiplexer
Appendices 57
External I/O Port (37 pin DSUB)
Pin No. Definition Direction Pin No. Definition Direction
1 GND Power 20 Reserved Input
2 GND Power 21 Reset Alarm Input
3 GND Power 22 Day/Night output Output
4 GND Power 23 Day/Night switch Input
5 GND Power 24 Set Alarm Input
6 GND Power 25 VCR trigger Input
7 Alarm NO Output 26 Alarm In 13 Input
8 Alarm COM Output 27 Alarm In 12 Input
9 Alarm NC Output 28 Alarm In 11 Input
10 GND Power 29 Alarm In 10 Input
11 GND Power 30 Alarm In 9 Input
12 GND Power 31 Alarm In 8 Input
13 GND Power 32 Alarm In 7 Input
14 GND Power 33 Alarm In 6 Input
15 GND Power 34 Alarm In 5 Input
16 Alarm In 16 Input 35 Alarm In 4 Input
17 Alarm In 15 Input 36 Alarm In 3 Input
18 Alarm In 14 Input 37 Alarm In 2 Input
19 Alarm In 1 Input