User Manual of DVR-1670B
Page 7
2.3
Rear Panel Description
Notice: Please refer to real product for different model.
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DVR-1670B 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, 75
Ω
)
3
Audio input
4 channel RCA (1.0 Vp-p, 75
Ω
)
4
Video Loop out
DVR-870B uses DB15 connectores. DVR-470B 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.
RS-485
PTZ connection. Refer to Appendix B for pin definition.
External Alarm Input
4/8 Alarm in.
7
Relay Output
2/4 Alarm out
8
AC Input
100V~240VAC
