Allied Telesis WebSmart AT-FS750/20 Ethernet Switch - 20 Ports - Manageable - 2 x Expansion Slots - 10/100/1000Base-T, 100Base-FX, 10/100Base-TX, 1000Base-SX, 1000Base-LX - Modular - 16 x Network, 4 x Network, 2 x Expansion Slot - Optical Fiber, Twisted Pair - Gigabit Ethernet, Fast Ethernet - Shared SFP Slot - 2 x SFP Slots - 2 Layer Supported - Rack-mountable, Wall Mountable, Desktop: