Havis-Shields PT-VIDEO-MDVR - Manual (Page 26)

20
BACK PANEL CONNECTIONS
Main Interface Connector
25-pin DSUB
Pin # Function
1 Record LED Out; 3.3V with
a 1k series resistor.
2 12V Camera Output
3 Trigger In 1
5 Trigger In 2
6 Remote power on / Ignition
7 Trigger In 3
8 Trigger In 4
9 Trigger 5
10 AUX 12V Output w/
100ohm series resistor.
11 Trigger 6 / Mic Trigger In on
8-pin Molex.
14 Spike protected Automotive
Power Output.
15-16 Automotive Power Input
4, 12, 13,
17,18, 25 Automotive Ground
19 RS232-RX 4
20 RS232-TX 4
21 RS232-RX 3