Adtran NetVanta switches are built to be high speed and reliable. Available in configurations from 24 ports to 48 ports, these switches are fixed-port and ideal for both small business and enterprise networks. Adtran switches can be stacked and some models also support IEEE 802.3af power over Ethernet (PoE). Switches can either be 10/100 fast Ethernet or 10/100/1000 Gigabit Ethernet.