... -TX Industrial Ethernet Media Converter Easy to connect server, repeater, switch, network switch Description: Ck-if11/21 Series is a speediness 10/100Base ... 4 EN61000-4-3(RS), level 4 EN61000-4-4(EFT), level 4 EN61000-4-5 (Surge), level 4 EN61000-4-6 (CS), level 4 EN61000-4-8, level 4 EN61000-4-11 ...