Industry Standards&Variety Usage: Our Network Fiber Optical Switch Complies with IEEE 802.3az Energy Efficient Ethernet (EEE). At the same time, it also supports 802.3x Flow control. With its reliable design and ease of use, the ethernet PoE switch is a great choice for integrating networks consisting of network devices such as IP phones, IP cameras, and wireless access points between remote locations. It can be use in traffic, mine field, factory, office, homes, and so on. Industrial Grade Quality : The Hardened Industrial Switch is made of Aluminum Case, Dustproof IP40, With reliable and simple operation against vibration and shock, and wide operation temperature range (- 40°F - 176 °F) for harsh environments. 2 Installation Methods: The Gigabit Network Switch come with 35mm din-rail mounting bracket and wall mount accessory, supports Din-Rail & Wall Mount Installation. Wide Input: The Ethernet Switch supports 12~48V DC(Terminal Block) power input, Up to 120-watt PoE budget (48VDC), 90-watt PoE budget (24VDC), 60-watt PoE budget (12VDC). Interface: Gigabit Ethernet Unmanaged PoE+ Switch is equipped with 4 10/100/1000BASET RJ45 ports & 1 Uplink Port,RJ45 ports support auto-negotiation, auto MDI/MDIX, full/half-duplex(10/100Mbps half/full duplex and 1000Mbps full duplex).