W 2 0 1 2 P
Alarm output are all level output , The drive ability is 200 MA, if you want larger power devices,
you must connect it to external relays. This is the optoelectronic alarm wiring diagram of Alarm output
MDVR alarm output
+24V
MDVR alarm output
For functional MDVR card, if support the wireless network communication, it need to install the USIM
card which is suit for WCDMA/EVDO. USIM card is on the communication board of the mainframe , use
a screwdriver to take down the flap cover from the bottom of the mainframe. Then you can see the USIM
card interface, press it to USIM interface. Please notice the right side and the opposite side. Use
thescrew fix the flap cover after installation.
MDVR SENSOR
Braking light
+12V
Braking van
e
Figure 2-13
Figure 2-14
1
2
3
4
2.5: USIM CARD INSTALLATION
Alarm input and output
This equipment has six alarm input interface and two alarm output interface (simple type has
only two alarm inputs) .Alarm input detection are all level detection. It can connect to various
vehicles driving status such as brakes , turns , door switches , buttons of emergent alarm . When
press the brake vane, MDVR can detect the high level, or detect the low level.
'
GPS antenna
3G antenna
EXTENSION
WIFI antenna
SPEAKER
Power supply cable
RS485 RS232
SENSORS SPEED
AVIATION HEAD
A/V test cable
AVIATION HEAD
A/V cable
FIGURE 2-11 SIMPLE TYPE MDVR INTERFACE USUAL MATCHED CABLE.
FIGURE 2-12 MDVR USES CORRESPONGDING CABLES ACCORDING TO FUNCTIONS
Alarm cable
3.The yellow cable must be installed on the ignition line , or the equipment will not
support the delay shut down , and the last video recording will be missed .
4.The installation of MDVR must get positive electrode directly from the battery. Please
don't use iron wire as the ground line . or it will produce negative pulse and jamming the
normal operation of the mainframe . The diameter of power supply that the positive
electrode and negative pole must above 1.5 mm
7
SD Card Mobile DVR User Manual
7
