Compact-4-Port-Gigabit-Ethernet-Switch-DIN-Rail-Mount-Brainboxes-SW-514-p-Brainboxes-SW-514-Compact-4-Port-Gigabit-Ethernet-Switch-DIN-Rail-Mount-with-automatic-detection-of-data-transmission-speed-10-100-1000-Mbps-Industrial-temperature-range-of-40-deg-C-to-80-deg-C-40-deg-F-to-176-deg-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-pow