DS-77xxNXI-I4/16P/4S NVR User Manual
UM DS-77xxNXI-I4/16P/4S 050619NA 26
1.2 Rear Panel
1.2.1
DS-77xxNXI-I4/16P/4S Series
Figure 1-4 Rear Panel
Table 1-5 Rear Panel Description
Connects external SATA HDD, CD/DVD-RM
Connector for RS-232 device
RCA connector for audio input
DB9 connector for VGA output. Display local video output and menu
100 to 240 VAC power supply
RJ-45 10/100 Mbps self-adaptive Ethernet interfaces
1 RJ-45 interface. 10/100/1000 Mbps self-adaptive Ethernet
ο
USB 3.0
Universal Serial Bus (USB) 3.0 port for additional device such as USB mouse and
USB Hard Disk Drive (HDD)
RCA connector for audio output
2 x HDMI video output connectors
Connector for RS-485 device
1#
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.
1∃
Connector for alarm input/output
Switch for turning on/off the device