OBD-II adapter cable
OBD-II
connector
Female J1939
connector
In a normal engineering environment, connect to the power supply V+, GND, and ignition sense cable. Connect the
ignition sense signal cable to the ignition sense cable, as shown in Figure 1. Connect the ignition sense cable and
the anode in parallel in the test state, as shown in Figure 2.
Note: The device cannot be started if the ignition sense cable is not connected.
Power input range: 9-36 V DC;
recommended power: 18 W
Ways to obtain power:
(1) Vehicle battery
(2) Storage battery
(3) Lighter
(4) Power adapter (used indoors)
Power interface
PIN
PIN
1
NC
2
3
4
Definition
Color
Color
Black
Red
White
Definition
(5) Connecting to the power supply
VG710 Onboard Gateway Quick Start Guide
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图 1
1
2
3
4
I/O connector
Receptacle
1
10
11
20
IGT
V+
GND
Ignition sense
V+
GND