The N-Tron® 305FX is an unmanaged, five port Industrial Ethernet Switch. It is housed in a ruggedized DIN-RAIL enclosure and is designed for use in industrial data acquisition, control and Ethernet I/O applications. Compact Size, Small Footprint. Full IEEE 802.3 and 1613 Compliance. NEMA TS1/TS2 Compliance. Extended Environmental Specifications. Store-and-Forward Technology. N-View monitoring option available.