RS-232 RS-232 Diagnosis Tech Bulletin From Mike Sandman - RS-232 Serial Communications is not that hard. Quick Reference - For RS485, RS422, RS232 and RS423. Computer Tips - RS-232 was created for one purpose, to interface between data terminal equipment and data communications equipment employing serial binary data interchange. RS-232 - Protocols and computer networks, by Dr. D. Koren of Tel-Aviv University. Keiths RS-232 Library - Documentation with download. Pin-Outs.Com - RS-232 serial pinout details. Serial/Rs-232 Interfacing - Detailed explanations on interfacing the serial port. The RS232 Standard - A tutorial with signal names and definitions. RS-232