Mobile NVR M1142 Quick Start Guide
7
Take a Tour
Rear I/O Ports
DC-in
power
jack
Power
on/off delay
switch
PoE
ports
4-in / 4-out
isolated DIO
connector
Antenna
aperture
1
USB 2.0
ports
DisplayPorts
Antenna
aperture
2
Antenna aperture 3
Title
Description
DC-in power
jack
3-pin DC-in power jack with ignition support.
A wide range of power input from +8 to +35 V
including the prevalent 12V and 24V vehicle power system
.
Pin definition:
Pin
Description
In-vehicle deployment example
V+ GND IGN
V+
Positive polarity of DC-in power Connected to car battery (12V/24V)
GND
Ground of DC-in power
Connected to battery GND
IGN
Ignition signal input
Connected to the ACC power of vehicle
Cautions:
1. Be sure about the DC-in power voltage you are going to tap. Supplying power over 35V will damage the system.
2. The ignition input allows ACC power of car (12Vdc) or bus/truck (24Vdc). Supplying power over 35V to the ignition
input will damage the system.
Antenna
aperture 1
An antenna aperture for WiFi antenna.
