15
Figure11. Rear Pane of DS-7604NI-S/M
Connector for USB devices
BNC connector for video output
RCA connectors for analog audio input
RCA connector for audio output
Connector for LAN (Local Area Network)
Connector for RS-485 devices. T+, T- pin connects to PTZ
Connector for alarm input (up to 4 channels)
Connector for alarm output (1 channel)
Switch for turn on/off the device
Ground(needs to be connected when DVR startup)
Figure12. Rear Pane of DS-7608NI-S
Connector for USB devices
BNC connector for video output
RCA connectors for analog audio input
RCA connector for audio output
Connector for LAN (Local Area Network).
6 VGA DB15 connector for VGA output. Display local video output and menu
7
RS-485 Interface Connector for RS-485 devices. T+, T- pin connects to PTZ
ALARM IN Connector for alarm input (up to 4 channels)
ALARM OUT Connector for alarm output (1 channel)
8 12V 12VDC power supply
Ground(needs to be connected when DVR startup)
Switch for turn on/off the device