Werth Systems 4KV Plug and play isolator RS232 for serial ports.
Werth Systems MI-RS912, RS-232 isolator
Plug and play isolator RS232 for serial ports. Connector DB9 female and DB9 male. The isolator withstands 4000 V AC for one minute and Support up to 912600bps
Warranty 5 years. EN60601-1-2 certified.