The Elinx™ EIRSP1 Industrial Ethernet Surge Protector is designed to protect all eight lines used in a standard CAT5e Ethernet cable. It is compatible with 10/100BaseT networks and 802.11af (Modes A & B) Power Over Ethernet. Mode A applies power to the data pairs, pins 1/2 and 3/6. Mode B applies power to the unused pairs, pins 4/5 and 7/8.Network connections are made using RJ-45 connectors. Grounding is accomplished using a ground lug which accepts 14 to 22 AWG wire. Stranded or braided cable is recommended with a three foot maximum run to Earth Ground.