Kontron ETX-CD - Manual (Page 37)

ETX®-CD / ETX® Connectors
6 ETX® Connectors
The pinouts for ETX® Interface Connectors X1, X2, X3, and X4 are documented for convenient reference. Please see the
ETX® Specification and ETX® Design Guide for detailed, design-level information.
6.1 Connector Locations
6.2 General Signal Description
Term Description
IO-3,3 Bi-directional 3,3 V IO-Signal
IO-5 Bi-directional 5 V IO-Signal
I-3,3 3,3 V Input
I-5 5 V Input
O-3,3 3,3 V Output
O-5 5 V Output
PU Pull-Up Resistor
PD Pull-Down Resistor
PWR Power Connection
Nc Not Connected / Reserved
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