14 specifications, 1 connector pin-outs, Pin1 pin8 pin8 pin1 – Videoswitch VDC User Manual
Page 31
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