ADLINK Technology COM Express cExpress-BT2, User Manual

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Pinouts and Signal Descriptions
3.4.4. Power and Ground
Signal Pin # Description I/O PU/PD Comment
VCC_12V C104-C109
D104-D109
Primary power input: +12V nominal (wide range 5 ~
20V).
All available VCC_12V pins on the connector(s) shall
be used
P 5 ~ 20V
GND C1, C11, C21, C31,
C41, C51, C60, C70,
C76, C80, C84, C87,
C90, C93, C96,
C100, C103, C110,
D1, D11, D21, D31,
D41, D51, D60, D67,
D70, D76, D80, D84,
D87, D90, D93, D96,
D100, D103, D110 Ground - DC power and signal and AC signal return
path.
All available GND connector pins shall be used and
tied to carrier board GND plane. P