GV75 User Manual
TRACGV75UM0018
2.3.
Interface Definition
There are 8 wires on GV75user cable, which contains the connection for power, ignition input,
digital input, digital output, TXD and RXD, etc. The user cable’s definition is shown in the following
table.
Table 4: Description of GV75 User Cable
Index Colour
Description
Comment
1
Red
Power
External DC power input,8-32V
2
Black
Ground
System ground(connected to the vehicle’s frame directly)
3
Yellow
Digital input
Digital input, negative trigger
4
White
Ignition
Ignition input, positive trigger
5
Green
Digital output2 Digital output,low side 150mA max
6
Blue
Digital output1 Digital output,low side 150mA max with latch
7
Violet
TXD
8
Grey
RXD
Queclink
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