MEITRACK MD822S MDVR User Guide
Copyright © 2020 Meitrack Group All rights reserved.
- 12 -
Note: Eight AV input ports can be connected to different types of cameras. One AV input port can be connected to two cameras
through the camera splitter, but the format and resolution of one camera must be the same as that of the other camera.
2.5.4
I/O Port
Pin Number Sign Name
Cable Color
Description
1
OUT3
Yellow/Brown
Output 3; low level triggering by default (0 V); invalid: open collector
Maximum voltage for output open collector (invalid): 40 V.
Maximum current: 400 mA.
Allow users to set the high level triggering mode and PWM
triggering mode.
Connect to an external relay to remotely cut off the vehicle fuel
cable or engine power supply.
2
OUT2
Yellow/Red
Output 2; low level triggering by default (0 V); invalid: open collector
Maximum voltage for output open collector (invalid): 40 V.
Maximum current: 400 mA.
Allow users to set the high level triggering mode and PWM
triggering mode.
Connect to an external relay to remotely cut off the vehicle fuel
cable or engine power supply.
3
TLEFT_DET
White/Blue
Connect to the turning left signal cable.
4
TRIGHT_DET
White/Green
Connect to the turning right signal cable.
5
BRAKING_DET
White/Red
Connect to the braking signal cable.
6
DOOR2_DET
White/Yellow
Connect to the vehicle door signal cable.
7
TBACK_DET
White/Orange
Connect to the reversing signal cable.
8
SPEED_IN
White/Brown
Connect to the vehicle speed signal cable.
9
DOOR1_DET
White/Purple
Connect to the vehicle door signal cable.
10
AD1
Blue
Analog input 1 with 12-bit resolution; valid voltage: 0–6.6 V
Connect to an external sensor, such as the fuel level sensor.
11
None (reserved) None
None (reserved)
12
None (reserved) None
None (reserved)