... -2 series are a smart plug-and-play industrial Ethernet switch, which can provide economical solution for your Ethernet. Its ... interface: One relay alarm output. Support power, port link and network alarm Indicator: Power, Port link, abnormity alarm indication, 10M/100M ... EMS: EN61000-4-2(ESD), EN61000-4-3(RS), EN61000-4-4(EFT), EN61000-4-5 (Surge), EN61000-4-6 (CS), EN61000-4-8, EN61000-4-11 Shock ...