232XS5-1005 Manual
Appendix B
B-5
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 433-5104
Chart 9. IBM PC DB9 Connector to Ports A - E (DCE)
Master port configured as a DTE port with a modem
connected (see Chart 3).
IBM PC
Serial Port
DB9 Connector
Signal
Direction
232XS5
Ports A - E (DCE)
DB9 Connector
3 -----------> 3
2 <----------- 2
7 -----------> 6
8 <----------- 4*
6 <----------- 4*
5 <---------> 5
1 <----------- 8
4 -----------> 7
* Pins are tied together inside the 232XS5, they are not
connected to the master port.
B-6
Appendix B
232XS5-1005 Manual
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 433-5104
