rtd CMV6486DX100HR, User Manual

Page: 30 / 118

30
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.