Detail overview
   Hp - A3100-48 Switch - L4 - Managed - 48 X 10/100 + 4 X Sfp - Rack-mountable (jd317a). 
 Key Features : 
  Device Type : Switch - 48 Ports - L4 - Managed - Stackable 
   Enclosure Type : Rack-mountable - 1u 
   Ports : 48 X 10/100 + 4 X Sfp 
   Mac Address Table Size : 8k Entries 
   Remote Management Protocol : Snmp 1, Rmon 1, Rmon 2, Rmon 3, Rmon 9, Telnet, Snmp 3, Snmp 2c, Http, Https, Cli 
   Encryption Algorithm : Ssl 
   Authentication Method : Radius, Secure Shell V.2 (ssh2) 
   Features : Flow Control, Bootp Support, Arp Support, Vlan Support, Igmp Snooping, Quality Of Service (qos) 
   Compliant Standards : Ieee 802.3u, Ieee 802.3i, Ieee 802.3z, Ieee 802.1d, Ieee 802.1q, Ieee 802.1p, Ieee 802.3x, Ieee 802.1w, Ieee 802.1x, Ieee 802.1s, Ieee 802.1ad, Ieee 802.1ab (lldp) 
   Ram : 64 Kb - Sdram 
   Flash Memory : 8 Mb Flash 
 Expansion / Connectivity : 
   Interfaces : 48 X 10base-t/100base-tx - Rj-45 1 X Console - Rj-45 - Management 4 X Sfp (mini-gbic) 
 Power : 
   Power Device : Power Supply 
   Voltage Required : Ac 120/230 V ( 50/60 Hz )