User Manual
Introduction 
   NVR  User  Manual 
6 
No. 
Name 
Descriptions 
1 
VGA 
Connect to monitor 
2 
e-SATA 
Connect to HDD with e-SATA interface 
3 
RS485 Y/Z interface   
Unavailable right now 
4 
RS485 A/B interface 
Connect to keyboard. A is TX+; B is TX- 
5 
AUDIO OUT 
Audio output; connect to sound box 
6 
LAN 
Network port 
7 
HDMI 
Connect to high definition display device 
8 
USB 
Connect USB storage device or USB mouse 
9 
GND 
Grounding 
10 
ALARM OUT 
Relay output; connect to external alarm 
11 
ALARM IN 
Alarm inputs for connecting sensors 
12 
AUDIO IN 
Audio  input;  connect  to  audio  input  device,  like 
microphone, pickup, etc 
13 
Power Switch 
Press the switch to turn on/off the NVR 
14 
Power Supply 
Power supply interface 










