B&B Electronics Port Expander 232PE, User Manual

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A-2 Appendix A 232PE3095 Manual
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 434-7094
These charts indicate some common cable wiring based on the
DCE/DTE configuration of the 232XSS Master Port. Refer to the
Port Configuration section of the 232XSS manual for information on
Master Port configurations.
Chart 1. IBM PC DB25 Connector to Master Port
Master Port configured as a DCE port.
IBM PC
Serial Port
DB25 Connector
Signal
Direction
232XSS
Master Port (DCE)
DB25 Connector
2 -----------> 2
3 <----------- 3
4 -----------> 4
5 <----------- 5
6 <----------- 6*
7 <---------> 7
8 <----------- 8*
20 -----------> 20
* Pins 6 & 8 are tied together inside the 232XSS and share the
same output.
Chart 2. IBM PC DB9 Connector to Master Port
Master port configured as a DCE port.
IBM PC
Serial Port
DB9 Connector
Signal
Direction
232XSS
Master Port (DCE)
DB25 Connector
1 <----------- 8*
2 <----------- 3
3 -----------> 2
4 -----------> 20
5 <---------> 7
6 <----------- 6*
7 -----------> 4
8 <----------- 5
* Pins 6 & 8 are tied together inside the 232XSS and share the
same output.