One 10/100/1000 RJ45 port supporting a maximum distance of 100 m (300 ft.) One SFP port for 1000Base-X optical transceiver modules and distances up to 120 km / 75 mi. (depending on module used) Power over Ethernet injector function with output up to 90 watts IP30 slim-type metal housing to withstand harsh industrial conditions Option for DIN-rail installation One DC input (44 - 57 V) with terminal block Requires industrial power supply (not included) Port surge protection up to 6 kV ESD protection up to 8 kV (air) and 4 kV (contact)