Detail overview
   Nortel - Business Ethernet Switch 210-48t Switch - 48 Ports - Managed - Stackable (bes210-48t). 
 Key Features : 
  Device Type : Switch - 48 Ports - Managed - Stackable 
   Enclosure Type : Desktop - 1u 
   Ports : 48 X 10/100 + 2 X Combo Gigabit Sfp 
   Mac Address Table Size : 8k Entries 
   Max Units In A Stack : 4 
   Remote Management Protocol : Snmp 1, Snmp 2, Rmon 1, Rmon 2, Rmon 3, Rmon 9, Http 
   Authentication Method : Ldap 
   Features : Flow Control, Auto-negotiation, Bootp Support, Arp Support, Vlan Support, Auto-uplink (auto Mdi/mdi-x), Igmp Snooping, Mac Address Filtering, Broadcast Storm Control 
   Compliant Standards : 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 802.1ab (lldp) 
   Ram : 8 Mb 
   Flash Memory : 64 Mb Flash 
   Status Indicators : Port Status, Link Activity, Port Transmission Speed, Power, Status 
 Expansion / Connectivity : 
   Interfaces : 48 X 10base-t/100base-tx - Rj-45 2 X 10base-t/100base-tx/1000base-t - Rj-45 1 X Console - 9 Pin D-sub (db-9) - Management Network Stack Device : 2 X 1000base-t - Rj-45 2 X Sfp (mini-gbic) 
 Power : 
   Power Device : Power Supply - Internal 
   Voltage Required : Ac 120/230 V ( 50/60 Hz ) 
   Power Consumption Operational : 45 Watt