Isolated 9-Pin Converters. Converts single-ended RS-232 signals to differential RS-422/RS-485 signals for data rates up to 120 kbs. Features plug-in terminal strip for the RS-422/RS-485 signals, DTE/DCE jumpers and a 9-pin female connector for the RS-232 signals.  Includes an AC power adapter. Best for 4-wire applications.

 Download the 485F9i data sheet as a pdf file.