
DVR INSTALLATION Model #: QS434
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2.2 REAR PANEL
4-CHANNEL MODEL
Connectors on Rear Panel
Physical Connector Connector Description
1
DC 19V/3.42A Power Connection
2
VIDEO OUT Video output for connecting TV (BNC)
3
VIDEO IN Video input for connecting analog video signal input (BNC)
4
AUDIO IN
Audio input for connecting audio signal
5
ALARM INPUT
4 I/O Alarm input
ALARM OUTPUT
I/O Output for alarm
RS485
RS485 for connecting PTZ
RS232
Debugging port
+12V
Power supply for DC relay, the current is 100MA (to prevent short circuits)
6 NETWORK
For connecting Ethernet cable
7 VGA OUTPUT
To connect to VGA monitor
8 DC +12V OUT
DC +12@2A power output for 4 cameras
9 AUDIO OUTPUT
Connection for audio output
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