RS-232 Datasheet, ETC

power versatility, making it perfect for field testing solutions. It converts unbalanced RS-232 signals to balanced RS-422 or RS485 signals. RS-485 is an enhanced version.

1 DCD 2 RD 3 TD 4 DTR 5 GND 6 DSR 7 RTS 8 CTS Up to 32 receivers can be driven by any one RS-485 driver, allowing you to put together large systems with many drop points. If you are using termination resistors, they should be located at opposite end.