Kontron COMe-cTH6 - Manual (Page 18)

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COMe-cTH6 User’s Guide
www.kontron.com
4 COMe-cTH6 Connectors
The pin-outs for COM Express® interface connectors X1A (primary connector, rows A and B) and X1B (secondary
connector, rows C and D) are documented for convenient reference. See the PICMG COM Express® Specification on the
PICMG website and COM Express® Design Guide on the Kontron website for detailed, design-level information.
Figure 3: COM Interface Connector Locations
Type Description Type Description
I/O-3.3 Bi-directional 3.3 V IO-Signal O-3,3 3.3V Output
I/O-5T Bi-dir. 3.3V I/O (5V Tolerance) O-5 5V Output
I/O-5 Bi-directional 5V I/O-Signal DP-I/O Differential Pair Input/Output
I-3,3 3.3V Input DP-I Differential Pair Input
I/OD Bi-directional Input/Output Open Drain DP-O Differential Pair Output
I-5T 3.3V Input (5V Tolerance) PU Pull-Up Resistor
OA Output Analog PD Pull-Down Resistor
OD Output Open Drain PWR Power Connection
O-1,8 1.8V Output nc Not connected, Signal not available
Table 1: Electrical Signal Abbreviation
NOTE: To protect external power lines of peripheral devices, make sure that the wires have the right diameter to
withstand the maximum available current and the enclosure of the peripheral device fulfills the fire-protection
requirements in IEC/EN60950.
DRAFT COPY FOR REVIEW ONLY
DRAFT COPY FOR REVIEW ONLY