Chart 3. Modem Db25 Connector To Master Port; Chart 4. Dce Device W/Db25 Connector To Ports A - D (Dte - B&B Electronics Port Expander 232PE User Manual

Chart 3. Modem DB25 Connector to Master Port

Master port configured as a DTE port.
Async Modem
Serial Port
DB25 Connector
2
3
4
5
7
8
20
* Pins 6 & 8 are tied together inside the 232XSS and share the
same input.
NOTE: When using chart 3 above and connecting a DTE device
to ports A - H of the smart switch, refer to Charts 7 and 8.

Chart 4. DCE Device w/DB25 Connector to Ports A - D (DTE)

Master port of 232XSS configured as a DCE port.
DCE Device
Serial Port
DB25 Connector
2
3
4
5
6
7
8
20
* Pins 6 & 8 are tied together inside the 232PE and share the
same input.
232PE3095 Manual
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
Signal
Direction
<-----------
----------->
<-----------
----------->
<--------->
----------->
<-----------
Signal
Direction
<-----------
----------->
<-----------
---------->
---------->
<--------->
----------->
<-----------
PH (815) 433-5100 -- FAX (815) 434-7094
232XSS
Master Port (DTE)
DB25 Connector
20
232PE
Ports A - D (DTE)
DB25 Connector
20
Appendix A
2
3
4
5
7
8*
2
3
4
5
6*
7
8*
A-3