Page 9
2.3 Rear Panel Description
Notice：Please refer to real product for different model.
DVR-470 Rear Panel
DVR-1670 Rear Panel
Index Physical Interface Description
1 Video Input Standard BNC.
Video Output Connect monitor, output video and menu.
2 Audio Output 1 channel RCA (1.0 Vp-p, 75Ω)
3 Audio input 4 channel RCA (1.0 Vp-p, 75Ω)
4 Video Loop out DVR-1670 uses DB15 connectores. DVR-470 uses on
board BNC connectors.
VGA Interface VGA display.
5 RS-232 Connect RS-232 devices. Refer to Appendix B for pin
definition.
6 UTP Network Interface Connect network devices. Refer to Appendix B for pin
definition.
7 RS-485 PTZ connection. Refer to Appendix B for pin definition.