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2.2.5 NVR4SGX Rear Panel
Index
Physical Interface
Video Input
1
Video Loop Though
Main video Output
2
Main audio Output
3
VGA Interface
4
USB Interface
Keyboard Interface
5
RS-232
UTP Network Interface
SW1
RS-485
6
External Alarm Input
Relay Output
7
GND
8
AC Input
9
E-SATA
User Manual of NVR Series DVR
NVR4SGX Rear Panel
Description
Standard BNC.
Standard BNC.
Connect CCTV monitor, output video and menu.
Local audio output.
VGA display.
USB memory disk, USB HDD, USB CD-R/W, USB DVD
or USB mouse
One is for DS-1000KI keyboard, and the other is for DVR
cascade. Using Pin3 and Pin4.
Connect RS-232 devices. Refer to Appendix B for pin
definition.
Connect network devices. Refer to Appendix B for pin
definition.
RS-485 terminal resistor switch. Default is off. The
resistor is 120Ohm.
PTZ connection. Using T+/T- to connect PTZ.
4 sensor alarm in.
2 replay output.
Ground
100~240VAC
st
Optional. Extend 1
Total
11
P a g e
internal SATA to E-SATA.
104
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