Ports 8x 10/ 100/ 1000Mbps Auto-MDIX PoE ports RS-232 serial port for local management Media interfaces RJ45 Manageable Yes Switching features IEEE 802.3af Power over Ethernet ( PoE) standard 8 x 10/ 100/ 1000Mbps Auto-Negotiation and Auto-MDIX Gigabit Power over Ethernet RJ45 ports Supports PoE power maximum 15.4 watts for each PoE port 7-Segment LEDs for individual port status: PoE class, maximum power allocation 7-Segment LEDs for system planning: display total balanced system power Full wire-speed non-blocking reception and transmission Store and forward switching method 144kbytesRAM data buffer and 8K entries MAC address table IEEE802.3x flow control for full-duplex mode; back pressure flow control for half-duplex mode Supports integrated address look-up engine, automatic address learning and address aging Supports IEEE 802.1Q Tag-VLAN, IEEE 802.1D Spanning Tree, IEEE 802.1w RSTP, and IEEE802.1x ( MD5) Supports Port-Mirroring and IGMP Multicast functions Supports Multicast Storm, Broadcast Storm and Flood control Supports QoS on IEEE 802.1p, DSCP for IPv4 and IPv6 Supports Link Aggregation IEEE 802.3ad and fail over Supports Jumbo Frame in all speeds ( up to 9kbytes packet frame size) Power Supply Power Consumption 6.3 watts max ( no power device connected) 130 watts max ( with PoE Device connected)