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Network Video Recorder User Manual
23
1.4 Rear Panel
1.4.1 DS-7700NXI-I/S Series
Figure 1-3
Rear Panel
Table 1-4
Panel Description
No. Name
Description
1
eSATA
Connects external SATA HDD, CD/DVD-RM.
2
Audio in
RCA connector for audio output.
3
Video out
RCA connector for audio output.
4
RS-232
Connector for RS-232 device.
5
Power supply
100 to 240 VAC power supply
6
LAN1/LAN2
2 RJ-45 10/100/1000 Mbps self-adaptive Ethernet
interfaces.
7
Audio out
RCA connector for audio output.
8
HDMI
HDMI video output connector.
9
USB 3.0
Universal Serial Bus (USB) 3.0 port for additional device
such as USB mouse and USB Hard Disk Drive (HDD).
10
VGA
DB9 connector for VGA output. Display local video output
and menu.
11
RS-485
Connector for RS-485 device.
12
Controller Port
D+, D- pin connects to Ta, Tb pin of controller. For
cascading devices, the first NVR’s D+, D- pin should be
connected with the D+, D- pin of the next NVR.
13
Alarm In/out
Connector for alarm input/output.
14
GND
Ground.
15
Power switch
Switch for turning on/off the device.