Advantech 4520 isolated RS-232 to RS-422/485 converter lets you take advantage of RS-422 and RS-485 on systems originally equipped with RS-232. It transparently converts RS-232 signals into isolated RS-422 or RS-485 signals.
Automatic RS-485 data flow control
3000 V dc isolation protection
Surge protection RS-485 data line
Transmission speed up to 115.2 Kbps
Networking up to 1200 m (4000 ft)
Power and data flow indicator for troubleshooting
DIN Rail, panel or piggyback mountable