B&B Electronics Port Expander 232PE - Manual (Page 17)

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