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Chart 7. IBM PC DB9 Connector to Ports A - E (DCE)
IBM PC
Serial Port
DB9 Connector
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
DB25 Connector
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
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
Master port configured as a DTE port.
Signal
Direction
<-----------
<-----------
----------->
----------->
<--------->
<-----------
----------->
<-----------
Signal
Direction
----------->
<-----------
----------->
<-----------
<-----------
<--------->
<-----------
----------->
Appendix B
PH (815) 433-5100 -- FAX (815) 433-5109
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
232XS53800 Manual
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