Manual
VDC Digital Recorder
Vdc601c.doc
27
14 Specifications
14.1 Connector Pin-Outs
14.1.1 Alarms
Physical: RJ45 (upper connector)
Electrical: Alarm Inputs: Contact closure
Alarm Output: N/O Relay Contacts, 24V 500mA max
14.1.2 Keyboard
Physical: RJ45 (lower connector)
Electrical: RS485
Pin Number Signal In/Out
1 RS485+ (A) In
2 RS485- (B) In
3 Not used N/a
4 +12V for Keyboard Out
5 0V for keyboard Out
6 Not used N/a
7 Twisted-Pair Video+ Out
8 Twisted-Pair Video- Out
Pin Number Signal In/Out
1 RS485+ (A) Loop Out Out
2 RS485- (B) Loop Out Out
3 Alarm 4 In
4 Alarm 3 In
5 Alarm/Relay Common (0V) Out
6 Alarm 2 In
7 Alarm 1 In
8 Relay N/O Out
PIN1 PIN8
PIN8 PIN1