Chart 5. Ibm Pc Db25 Connector To Ports A - E (Dce; Chart 6. Ibm Pc Db9 Connector To Ports A - E (Dte; Chart 7. Ibm Pc Db9 Connector To Ports A - E (Dce; Chart 8. Ibm Pc Db25 Connector To Ports A - E (Dce - B&B Electronics 232XS5 Instruction Manual

Chart 5. IBM PC DB25 Connector to Ports A - E (DCE)

Master port configured as a DTE port.
IBM PC
Serial Port Signal
DB25 Connector Direction
2 ----------->
3 <-----------
4 ----------->
5 <-----------
6 <-----------
7 <--------->
8 <-----------
20 ----------->
* Pins are tied together inside the 232XS5, they are not connected
to the master port.

Chart 6. IBM PC DB9 Connector to Ports A - E (DTE)

Master port configured as a DCE port.
IBM PC
Serial Port Signal
DB9 Connector Direction
1 <-----------
2 <-----------
3 ----------->
4 ----------->
5 <--------->
6 <-----------
7 ----------->
8 <-----------
* Pins are tied together inside the 232XS5, they are not
connected to the master port.
232XS5-1005 Manual
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 433-5104
232XS5
Ports A - E (DCE)
DB9 Connector
3
2
7
8
6
5
4*
4*
232XS5
Ports A - E (DTE)
DB9 Connector
4*
3
2
6
5
4*
8
7
Appendix B B-3

Chart 7. IBM PC DB9 Connector to Ports A - E (DCE)

Master port configured as a DTE port.
IBM PC
Serial Port Signal
DB9 Connector Direction
1 <-----------
2 <-----------
3 ----------->
4 ----------->
5 <--------->
6 <-----------
7 ----------->
8 <-----------
* Pins are tied together inside the 232XS5, they are not connected
to the master port.

Chart 8. IBM PC DB25 Connector to Ports A - E (DCE)

Master port configured as a DTE port with a modem connected
(see Chart 3).
IBM PC
Serial Port Signal
DB25 Connector Direction
2 ----------->
3 <-----------
4 ----------->
5 <-----------
6 <-----------
7 <--------->
8 <-----------
20 ----------->
* Pins are tied together inside the 232XS5, they are not connected
to the master port.
B-4 Appendix B
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 433-5104
232XS5
Ports A - E (DCE)
DB9 Connector
4*
2
3
4*
5
6
7
8
232XS5
Ports A - E (DCE)
DB9 Connector
3
2
6
4*
4*
5
8
7
232XS5-1005 Manual