BlackBox, LBH120A-H, 5 Port Industrial Fast Ethernet Switch Hardened Temperature Features: Five 10-/100-Mbps RJ45 switch ports. Suitable for dusty or dirty environments with a temperature range between -14 and +140 F (-25 to +60 C). 12-48VDC power input. Includes DIN rail mount kit. Adds four 10-/100-Mbps ports to your network. Industrial-strength plastic case and complies with IEC 61000-Part 6-2 generic standards for electromagnetic compatibility (EMC) in industrial environments. Offers full wire-speed forwarding rates across the network. Auto MDI/MDI-X copper ports autonegotiate for 10-/100-Mbps speed and autodetect full- or half-duplex mode. Supports 2048 MAC addresses and features a 384 KB buffer memory. Can be installed easily on a DIN rail. Mounting kit is included. Order power supplies separately, see Related Products.