Specifications
CP302 I/O Module
ID 21112, Rev. 05Page A - 14 © PEP Modular Computers GmbH
A.4.6 I/O Interface Connectors (CON8 and CON10)
The I/O interface connectors (CON8 and CON10) provide all the necessary signals for
the CP302 I/O module.
A.4.7 Speaker Connector J2
This 2-pin connector enables connection to an external speaker.
A.5 Jumper Description
A.5.1 Serial Port Setting
The two serial ports COM1 and COM2 can be set to either RS232 or RS422 mode by
setting solder jumpers. The standard configuration is RS232.
Table A-8: Jumper Setting to Configure COM1
Jumper RS232 (default) RS422 Disabled
J5 Open Closed Open
J6 Open Closed Open
J7 Open Closed Closed
J8 Open
Enables termination 
for the RXD channel 
with 100 Ohm
Open
J9 Open
Enables termination 
for the TXD channel 
with 100 Ohm
Open
Table A-9: Jumper Setting to Configure COM2
Jumper RS232 (default) RS422 Disabled
J14 Open Closed Open
J12 Open Closed Open
J13 Open Closed Closed
J10 Open
Enables termination 
for the RXD channel 
with 100 Ohm
Open
J11 Open
Enables termination 
for the TXD channel 
with 100 Ohm
Open
$
$
Note:
Jumpers other than those described here are not system rele-
vant. They are reserved for the configuration of possible future
board features.
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