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11.1. Connecting the COMe Interface Connector to the Carrier Board
The module's COMe Interface connectors (X1A and X1B), mounted on the bottom side of the module, are inserted into
the carrier board's corresponding connectors and secured at the mounting points (Figure 10, pos. 6) using either 5 mm
or 8 mm standoffs, depending on the height of the carrier board's connectors.
The module is powered on by connecting to the carrier board using the Interface connector.
Before connecting the module's interface connector to the carrier board's corresponding
connector, ensure that the carrier board is switch off and disconnected from the main power
supply. Failure to disconnect the main power supply could result in personal injury and
damage to the module and/or carrier board.
Observe that only trained personnel aware of the associated dangers connect the module,
within an access controlled ESD-safe workplace.
Handling and operation of the product is permitted only for trained personnel within a work
place that is access controlled.
11.2. X1A and X1B COMe Interface Connector Signals
The terms used in the connector pin assignment tables and a description of the signal type can be found in Table 26:
General Signal Description. If more information is required, the Appendix at the end of this user guide and the PICMG
specification COMe Rev 2.1 Type 7 standard, contain additional information.
The information provided under type, module terminations and comments is complimentary
to the COM.0 Rev 3.0 Type 7 standard. For more information, contact Kontron Support.
Table 26: General Signal Description
Type
Description
NC
Not Connected (on this product)
I/O-3,3
Bi-directional 3.3 V I/O-Signal
I/O-5T
Bi-dir. 3.3 V I/O (5 V Tolerance)
I/O-5
Bi-directional 5V I/O-Signal
I-3,3
3.3 V Input
I/OD
Bi-directional Input/Output Open Drain
I-5T
3.3 V Input (5 V Tolerance)
OA
Output Analog
OD
Output Open Drain
To protect external power lines of peripheral devices, make sure that:
www.kontron.com
Wires have the right diameter to withstand the maximum available current
Peripheral device enclosure fulfills the fire-protection requirements of IEC/EN60950
Type
Description
O-1,8
1.8 V Output
O-3,3
3.3 V Output
O-5
5 V Output
DP-I/O
Differential Pair Input/Output
DP-I
Differential Pair Input
DP-O
Differential Pair Output
PU
Pull-up Resistor
PWR
Power Connection
+ and -
Differential Pair
COMe-cDV7 - User Guide, Rev 1.0
// 54
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