Industrial RS232 repeater with optoisolation up to 2500V. Model232D is a kind of RS-232 system communication extending product. It has auto-sense serial ratetransmission rate, optic electric isolation 2500V and there's no external power needed, so Model232D can be applicated in tough work environments. Transmission distance at 9,600bps is 2,000m and there is a stable performance. Model232D has 2500 volts of isolation, which is twice the rating of..