User Manual of DS-9600/8600/7700/7600 Series NVR
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Figure 1. 12 DS-7700NI-ST
Table 1. 8 Description of Rear Panel Interfaces
BNC connector for video output.
RCA connector for audio output. This connector is
synchronized with CVBS video output.
RCA connector for audio output. This connector is
synchronized with VGA video output.
BNC connector for audio input.
Connector for RS-232 devices.
DB9 connector for VGA output. Display local video output
and menu.
HDMI video output connector.
Connects external SATA HDD, CD/DVD-RM.
Connector for LAN (Local Area Network).
1 LAN interface provided for DS-7700/8600NI-ST and 2
LAN interfaces for DS-9600NI-ST/RT/XT.
RS-485 termination switch.
Up position is not terminated.
Down position is terminated with 120Ω resistance.
Connector for RS-485 devices. T+ and T- pins connects to R+
and R- pins of PTZ receiver respectively.
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.
Connector for alarm input.
Connector for alarm output.
Ground(needs to be connected when NVR starts up).
AC 100V ~ 240V power supply.
Switch for turning on/off the device.
Universal Serial Bus (USB) ports for additional devices such
as USB mouse and USB Hard Disk Drive (HDD).
Figure 1. 13 DS-7700NI-SP
Table 1. 9 Description of Rear Panel Interfaces
BNC connector for video output.
BNC connector for audio output. This connector is
synchronized with CVBS video output.