NortelAL4500A02-E6 Ethernet Routing Switch 4550T with 48 10/100 BaseTX ports plus 2 combo 10/100/1000 SFP ports, HiStack ports and RPS slot. Inc. Base Software License & 46cm stack cable. (RoHS compliant) (No power cord) Product description Avaya Ethernet Routing Switch 4550T - switch - 48 ports - managed Device type Switch - 48 connections - managed - stackable Art 1U Subtype Fast Ethernet Ports 48 x 10/100 + 2 x combi gigabit SFP Size of the MAC address table 8000 entries Routing protocol IGMPv2, IGMP Remote administration protocol SNMP 1, SNMP 2, RMON, Telnet, SNMP 3, HTTP, HTTPS Features Flow control, auto-negotiation, BOOTP support, ARP support, trunking, VLAN support, MAC address filter Product certifications IEEE 802.3, IEEE 802.3u, IEEE 802.3z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1p, IEEE 802.3x, IEEE 802.3ad (LACP), IEEE 802.1w, IEEE 802.1x, IEEE 802.1s, IEEE 802.1ab ( LLDP) Power supply AC 120/230 V (50/60 Hz) Dimensions (width x depth x height) 43.8 cm x 36.8 cm x 4.4 cm