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485DSS3298 Manual Appendix C C-1
B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350
PH (815) 433-5100 -- FAX (815) 434-7094
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