B&B Electronics 485DSS - Manual (Page 25)

485DSS-0308 Manual Appendix C C-1
B&B Electronics Mfg Co Inc – 707 Dayton Rd - PO Box 1040 - Ottawa IL 61350 - Ph 815-433-5100 - Fax 815-433-5104
B&B Electronics – Westlink Commercial Park – Oranmore, Galway, Ireland – Ph +353 91 792444 – Fax +353 91 792445
Appendix C: Cable Charts
These charts indicate some common cable wiring based on the
485DSS RS-232 and RS-485/422 ports. Refer to the Port
Configuration section of this manual for more information.
Chart 1. IBM PC DB25 Connector to
485DSS RS-232 (DTE) Port
IBM PC
Serial Port
DB25 Connector
Signal
Direction
485DSS
RS-232 (DTE) Port
DB25 Connector
2 -----------> 3
3 <----------- 2
4 -----------> 5
5 <----------- 4
7 <---------> 7
Chart 3. RS-232 DCE Device w/DB25 Connector to
485DSS RS-232 (DTE) Port
RS-232 DCE
Serial Port
DB25 Connector
Signal
Direction
485DSS
RS-232 (DTE) Port
DB25 Connector
2 <----------- 2
3 -----------> 3
4 <---------- 4
5 -----------> 5
7 <----------> 7
Chart 2. IBM PC DB9 Connector to
485DSS RS-232 (DTE) Port
IBM PC
Serial Port
DB9 Connector
Signal
Direction
485DSS
RS-232 (DTE) Port
DB25 Connector
3 -----------> 3
2 <----------- 2
7 -----------> 5
8 <----------- 4
5 <---------> 7