Appendix B: Cable Charts; Chart 1. Ibm Pc Db25 Connector To Master Port; Chart 2. Ibm Pc Db9 Connector To Master Port - B&B Electronics 8 PORT SMART SWITCH CE 232D4SS8 User Manual

APPENDIX B: Cable Charts

These charts indicate some common cable wiring based on the
DCE/DTE configuration of the Master Port. Refer to the Port
Configuration section of this 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
2
3
4
5
6
7
8
20
* Pins 6 & 8 are tied together inside the 232D4SS8 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
1
2
3
4
5
6
7
8
* Pins 6 & 8 are tied together inside the 232D4SS8 and share
the same output.
232D4SS84502 Manual
Signal Master Port (DCE)
Direction
----------->
<-----------
----------->
<-----------
<-----------
<--------->
<-----------
----------->
Signal Master Port (DCE)
Direction
<-----------
<-----------
----------->
----------->
<--------->
<-----------
----------->
<-----------
Appendix B
232D4SS8
DB25 Connector
2
3
4
5
6*
7
8*
20
232D4SS8
DB25 Connector
8*
3
2
20
7
6*
4
5
B-1