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PPC-177T User Manual
Chapter 5
J
umpers
and
Connectors
5.1.2
Jumpers
The motherboard 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 jumper and LED.
The motherboard of the PPC-177T has a number of jumpers that allow you to config-
ure your system to suit your applications.
CN45:
Power Type Selection
Default ATX Power input
ATX Power input (1-2) AT Power input (2-3)
CN26:
COM1 PIN9 Function Selection
Default Ring function
Ring function (1-2)
Output 5 V(3-4)
Output 12 V(4-5)
CN44:
COM2 PIN9 Function Selection
Default Ring function
Ring function (1-2)
Output 5 V(3-4)
Output 12 V(4-5)
CN42:
COM3 PIN9 Function Selection
Default Ring function
Ring function (1-2)
Output 5 V(3-4)
Output 12 V(4-5)
CN43:
COM4 PIN9 Function Selection
Default Ring function
Ring function (1-2)
Output 5 V(3-4)
Output 12 V(4-5)
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