... connector, optional.Features:1. Advanced Ethernet switch technical2. IEEE802.3/802.3u/802.3x/802.3d,store and forward 3. Plug-and-play, 10/100M, F/H duplex, ... :Interface RJ45 Ports: 10/100BaseT(X) auto connection, F /H duplex or force work mode, and support MDI/MDI-X connectionFiber ... 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 ...