TREK-775/TREK-776 User Manual
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4.1.5
Jumpers and switches on power board
The power board of the Vehicle Mounted Computer has a number of
jumpers that help configure the system. It also has LED indicator lamps
that display the system operation status. The table below lists the function
of each connector and LED.
Table 4.3: Connectors on Power board
Connector
Function
CN1
Power Output connector
CN2
LOW BATTERY MONITOR
CN3
Remote on/off switch (Reserved)
CN4
Power input connector
CN5
Positive VBIAS connector (Reserved)
CN6
Ignition input connector
CN7
Power off delay setting connector
CN8
Ignition input switch connector
D1 Power
indicator
(12V)
D2 Power
indicator
(5V)
D3
Power indicator (3.3V)