User manual
2.5
4CH MDVR Back Panel
①
②
③
④
⑥
⑤
⑦
4CH MDVR Back Panel items
introduction
:
Item
Name
Silk screen
Functional Specification
○
1
Video&Audio
Input
interface
AV1-AV4
1‐4Channels, with DC 12V output,
○
2
Video&Audio
Output
interface
AV OUT
Video&Audio output interface, with DC 12V output
○
3
3G
Antenna
Port
3G
○
4
I/O SENSOR
With alarm input&output
、
serial port etc.A more detailed
definition see chapter
1.6.4
○
5
USB
Interface
USB
It’s used to import or export data or upgrade
○
6
Power
Input
interface
POWER
Input Voltage DC 8‐33V,
Red
cable connect power positive,
Black
cable connect power negative;
Yellow
line ACC signal cable.
○
7
GPS
Antenna
Port
GPS