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NetDVR User Manual
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SPOT VIDEO OUT
BNC connectors for spot video out
2
VIDEO IN
BNC connectors for analog video input
3
AUDIO IN
RCA connectors for analog audio input
4
LINE IN
RCA connector for audio input (Remote Chat)
5
AUDIO OUT
RCA connector for audio output
6
VGA
DB15 connector for VGA output. Display local video output and menu
7
RS-232 Interface
DB9 connector for RS-232 devices.
8
LAN
Connector for LAN (Local Area Network)
9
USB
Connector for USB devices
10
RS-485 Interface
Connector for RS-485 devices. T+, T- pin connects to PTZ
11
ALARM IN
Connector for alarm input
ALARM OUT
Connector for alarm output
12
12V
12VDC power supply
13
POWER
Switch for turn on/off the device
14
GND
Ground(needs to be connected when DVR starts up)
2.2
External Alarm In/Out Connection
The alarm input is a Normal Open/Closed relay. If the input is not a Normal Open/Closed relay, follow the connection diagram below:
Figure 2.2.1
