The RocketLinx ES8105 is a 4-port Fast Ethernet industrial switch with one 100BASE-FX fiber port. The RocketLinx ES8105 is housed in a slim industrial enclosure to save rail or panel space in compact system designs. For installation in hazardous or industrial environments, the RocketLinx ES8105 operates within an extended temperature range (-25 Degree to 70 Degree C) and provides IP31 protection to guard against dust and water. The ES8105 is an unmanaged switch that requires no user setup and immediately starts operating as soon as power is applied for true "Plug-and-Play" operation. The RocketLinx ES8105 supports 18 to 27VAC or 18 to 32VDC power inputs and provides built-in reverse power polarity protection.