HP 1820 Switch Series devices are basic,smart-managed,fixed-configuration Gigabit Ethernet Layer 2 switches designed for small businesses looking for key features in an easy-to-administer solution. All 1820 Switches support flexible installation options,including mounting on wall,under table,or on desktop. The 8-port Gigabit Ethernet model can be powered by an upstream Power over Ethernet (PoE) switch for environments where no line power is available.