Nortel AL4500A14-E6 ERS 4548GT-PWR with 48 10/100/1000 802.3af PoE ports and 4 SFP ports, plus HiStack ports and RPS connector 
Product description 
Avaya Ethernet Routing Switch 4548GT-PWR - switch - 48 ports - managed 
Device type 
Switch - 48 connections - managed - stackable 
Art 
1U 
Subtype 
Gigabit Ethernet 
Ports 
48 x 10/100/1000 (PoE) + 4 x shared SFP 
Power Over Ethernet (PoE) 
PoE 
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 802.3af, 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

AL4500A14-E6