NT 30-COS-RSI4\D9M, RS-422/485 potential free / Dsub male NT 30-DNS-RS2\CCE, RS-232 unisolated / a cable is conclusions NT 30-DNS-RS2\D9F, RS-232 unisolated / Dsub female NT 30-DNS-RS2\D9M, RS-232 unisolated / Dsub male NT 30-DNS-RS4\D9F, RS-232 potential free / Dsub female NT 30-DNS-RS4\D9M, RS-232 potential free / Dsub male NT 30-DNS-RSI2\CCE, RS-232 potential free / a cable is conclusions NT 30-DNS-RSI2\D9F, RS-232 potential free / Dsub female NT 30-DNS-RSI2\D9M, RS-232 potential free / Dsub male NT 30-DNS-RSI4\CCE, RS-422/485 potential free / a cable is conclusions NT 30-DNS-RSI4\D9F, RS-422/485 potential free / Dsub female NT 30-DNS-RSI4\D9M, RS-422/485 potential free / Dsub male NT 30-DPS-RS2\CCE, RS-232 unisolated / a cable is conclusions NT 30-DPS-RS2\D9F, RS-232 unisolated / Dsub female NT 30-DPS-RS2\D9M, RS-232 unisolated / Dsub male NT 30-DPS-RS4\CCE, RS-232 potential free / a cable is conclusions