Cisco CATALYST 3560 48 PORT SWITCH 10/100 POE 4 x SFP STD SOFTWARE--The 3560Series switches is a line of fixed configuration enterprise-class IEEE 802.3af and Cisco prestandard Power over Ethernet (PoE) switches in Fast Ethernet configurations that provide availability security and quality of service (QoS) to enhance network operations. 4 x Expansion Slots 1U 19" Rack-mountable 1U 24" Rack-mountable Wall-mountable or Desktop