Ports LAN 24 x 10/ 100Mbps Auto-MDIX PoE ports 4 x 10/ 100/ 1000Mbps Auto-MDIX Gigabit ports 2 x 1000Base-SX/ LX Mini-GBIC slots ( shared with Gigabit ports) Media interfaces Network Media Ethernet: UTP/ STP Cat. 3, 4, 5 up to 100m Fast Ethernet: UTP/ STP Cat. 5, 5e up to 100m Gigabit: UTP/ STP Cat. 5, 5e, 6 up to 100m PoE: 4-pair UTP Cat. 5, 5e up to 100m Manageable Yes Switching features 24 x 10/ 100Mbps Auto-MDIX Fast Ethernet PoE RJ-45 ports 4 x 10/ 100/ 1000Mbps Auto-MDIX Gigabit ports 2 x 1000Base-SX/ LX Mini-GBIC slots ( shared with Gigabit ports) 12.8Gbps switching capacity IEEE 802.3af Power over Ethernet ( PoE) compliant PoE power of up to 15.4 watts for each PoE port Maximum PoE power of up to 170 watts for all PoE ports IEEE 802.3x Full Duplex Flow Control and Back Pressure IEEE 802.3ad Port Trunk IEEE 802.1D Spanning Tree Protocol IEEE 802.1p QoS IEEE 802.1X Authentication and SNMP v1 support Supports port based IEEE 802.1Q VLAN Tag and Asymmetric VLAN Supports Auto-recognition of PoE Powered Device ( PD) signature Full Wire-Speed Non-Blocking reception and transmission Store and Forward switching method Integrated address look-up engine with an 8K absolute MAC address table Supports 128KBytes RAM for data buffering Easy configuration via Web browser Front panel diagnostic LEDs