Operating in temperatures from -40 to +75°C, SFNT unmanaged switches meet noise, shock, and vibration standards for operation in extreme environments. Units feature narrow housing, suiting them for control cabinets and junction boxes. They support Layer 1 port locks and cable locks and can process and prioritize Quality of Service messages. Also, switches are offered in 5- and 8-port versions available for 10/100 Mbps as well as multimode fiber with SC and ST connections.