User`s manual

Auxiliary Power, CN3

The power supply can be conveyed to the module either through the PC/104 bus (J6 and J7) or

through the Auxiliary Power connector, CN3.

Facing the connector pins, the pinout of the Auxiliary Power connector is:

Power Supply Protection

The cpuModule has protection circuitry which helps prevent damage due to problems with the +5V

supply, such as:

• Reversed polarity

• Overvoltage

• Overcurrent

The circuitry includes a user-replaceable fuse, which is located near the PC/104 bus connector. This

fuse is a:

• 2 amp Nano fuse

• Littelfuse part number R451 002

WARNING! If you improperly connect power, the module will almost certainly be

destroyed. Please verify power connections to the module before

applying power.

7 5 3 1

GND -5V GND

+5V -12V +12V +5V

8 6 4 2

NOTE!

-5VDC, +12VDC and -12VDC voltages are not used by the module,

but are carried on the PC/104 bus connectors.