Usage Tips:Features: 1.DIN Rail: The industrial ethernet switches feature an industrial grade aluminum alloy housing and appearance slotted design with an integrated DIN rail mounting kit for easy installation and removal 2.8 Ports: The ethernet switch has 8 Fast Ethernet ports (10/100TX) with Auto MDI/MDI X, Store and Forward Architecture, 2K Address Table, CSMA/CD 3.DC Power and Protection Function: The ethernet switch takes a 12 to 58V DC power input via a 6 pin terminal block, 6 kV ESD and 2 kV EFT protection, reverse polarity and overload protection 4.IP40 Protection: The switch ethernet adapter is IP40 protection class and can operate in a wide temperature range from ?40C to 80C (?40F to 176F) 5.Plug and Play: The ethernet switch 8 port is plug and play, fanless design, silent operation, suitable for intelligent transportation, rail transportation, electricity, and other industrial scenarios that require Ethernet access specification:Item Type: Industrial Ethernet Switches Material: Aluminum Alloy Scope of Application: Suitable for Intelligent Transportation, Rail Transportation, Electric Power, Mining, Etc. Maximum Output Power: 30w POE Standard: IEEE802.3af/at Operating Voltage: 12 to 58V DC PackageList:1 x IndustrialEthernetSwitches 1 x User Manual