
CP302
I/O Module
ID 21112, Rev. 05
Page A - 7
©
PEP Modular Computers GmbH
A.4.2 Parallel Port Interface
Figure A-5: PC-compatible Parallel Interface
The CP302 IO module is provided with an IEEE1284, ECP/EPP-
compatible parallel port/printer interface. The parallel port is a
26-pin MDR (miniature delta ribbon) connector mounted on the
front panel. To use a standard parallel port device a special
adapter is necessary.
Table A-3: Serial Port Connectors CON2 and CON6 Pinouts
(RS422 Mode)
DSUB 9
Signal
Function
In/Out
1
+RXD
Receive data
In
3
+TXD
Transmit data
Out
6
-RXD
Inverted receive data
In
8
-TXD
Inverted transmit data
Out
5
GND
Signal ground
--
2, 4, 7
Free
--
--
26
14
13
1
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