
No.
Item
Description
1
VIDEO OUT
BNC connector for video output.
2
CVBS AUDIO OUT
BNC connector for audio output. This connector is synchronized with
CVBS video output.
VGA AUDIO OUT
BNC connector for audio output. This connector is synchronized with
VGA video output.
3
LINE IN
BNC connector for audio input.
4
RS-232 Interface
Connector for RS-232 devices.
5
VGA
DB9 connector for VGA output. Display local video output and menu.
6
HDMI
HDMI video output connector.
7
eSATA (Optional)
Connects external SATA HDD, CD/DVD-RM.
8
LAN Interface
1 network interface provided for NR500/NR50P and 2 network
interfaces for NRA00/NRA0R.
9
Termination Switch
RS-485 termination switch.
Up position is not terminated.
Down position is terminated with 120Ω resistance.
10
RS-485 Interface
Connector for RS-485 devices. T+ and T- pins connect to R+ and R-
pins of PTZ receiver respectively.
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.
ALARM IN
Connector for alarm input.
ALARM OUT
Connector for alarm output.
11
GROUND
Ground(needs to be connected when NVR starts up).
12
AC 100V ~ 240V
AC 100V ~ 240V power supply.
13
POWER
Switch for turning on/off the device.
14
USB interface
Universal Serial Bus (USB) ports for additional devices such as USB
mouse and USB Hard Disk Drive (HDD).
15
Network Interfaces with
PoE function (supported
by NR50P)
Network interfaces for the cameras and to provide power over Ethernet.