24 Port Layer 2 Ethernet Switch with dual Gigabit uplinks. Includes 24 - 10/100Base-T access ports and 2 - Gigabit uplinks. Gigabit uplinks can utilized either the built in 1000Base-T interface or SFP slot, allowing the use of optional 1000Base-SX or 1000Base-LX SFP modules. Features include 802.1Q VLAN support, 802.1p QoS, Port Mirroring, Broadcast Storm Control, 802.1D Spanning Tree, 802.1w Rapid Spanning Tree, 802.3ad Link Aggregation, Auto MDI/MDI-X, Command Line Interface, Telnet, SSH, RADIUS. 19" Rackmount 1U housing. Supported SFP modules include 1000Base-SX (1200480L1) and 1000Base-LX (120081L1).