Industrial 1 SFP & 4 Port Gigabit Ethernet Switch - Brainboxes SW-114, Brainboxes SW-114 Embedded Industrial 4 Port Gigabit Ethernet Switch has an industrial temperature range of -40°C to +80°C (-40°F to 176°F) and dual input redundant power supply with wide voltage range means it can be powered from USB or on the 24V factory floor. The power terminal is removable with numbered pins for easy wiring. and power consumption is optimised based on the status of the link device. With no software required it is ideal for embedded applications. Brainboxes SW-114 Embedded Industrial 4 Port Gigabit Ethernet Switch