User Manual
Introduction 
   NVR  User  Manual 
8 
No. 
Name 
Descriptions 
1 
e-SATA 
Connect to HDD with e-SATA interface   
2 
LAN1/LAN2 
Network port 
3 
HDMI2 
Connect to 1920×1080 high definition display device 
4 
USB 
USB interface, connect USB storage device or USB 
mouse 
5 
HDMI1 
Connect to 4K×2K high definition display device 
6 
VGA 
Connect to monitor 
7 
RS485 Y/Z interface 
Unavailable right now 
8 
RS485 A/B interface 
Connect to keyboard. A is TX+; B is TX- 
9 
ALARM OUT 
Relay output; connect to external alarm 
10 
GND 
Grounding 
11 
ALARM IN 
Alarm inputs for connecting sensors 
12 
AUDIO IN 
Audio input; connect to audio input device, like 
microphone, pickup, etc 
13 
AUDIO OUT 
Audio output; connect to sound box 
14 
Power Switch 
Press the switch to turn on/off the NVR 
15 
Power Supply 
Power supply interface 
1.5    Connections 
  Video Connections 
Video Output: Supports VGA/HDMI video output. You can connect to monitor through these 
video output interfaces simultaneously or independently. 
  Audio Connections 
Audio Input: Connect to microphone, pickup, etc. 
Audio Output: Connect to headphone, sound box or other audio output devices. 
  Alarm Connections 










