
NVR User Manual
6
2.3
Rear Panel Instructions
The rear Panel interface for 4-ch is as shown in Fig 2-3:
Fig 2-3 Rear Panel for 4-ch
Item
Name
Description
1
K/B
Connect to Keyboard, K is TX+, B is TX-
2
Alarm Out
Relay Output. Connect to external alarm.
3
Alarm in
Alarm Inputs for connecting sensors
4
Audio in
1 CH audio input
5
Video out
Connect to monitor
6
Audio out
Audio output, connect to the sound box
7
HDMI port
Connect to high-definition display device
8
VGA port
VGA output, connect to monitor
9
LAN
Network port