Detail overview
   Hp - E5500-24-sfp Layer 4 Switch (je109a). 
 Key Features : 
  Device Type : Switch - 24 Ports - L4 - Managed - Stackable 
   Enclosure Type : Rack-mountable - 1u 
   Advanced Switching : Layer 4 
 Networking : 
   Ports Qty : 24 
   Auxiliary Network Ports : 2x10/100/1000base-t(uplink) 
   Data Transfer Rate : 100 Mbps 
   Data Link Protocol : Fast Ethernet 
   Routing Protocol : Ospf, Rip-1, Rip-2, Igmpv2, Igmp, Ospfv2, Pim-sm, Static Ip Routing 
   Remote Management Protocol : Snmp 1, Rmon 1, Rmon 2, Rmon 3, Rmon 9, Telnet, Snmp 3, Snmp 2c, Http 
   Connectivity Technology : Wired 
   Switching Protocol : Ethernet 
   Status Indicators : Port Transmission Speed, Port Duplex Mode, Power 
   Features : Flow Control, Layer 4 Switching, Layer 3 Switching, Layer 2 Switching, Dhcp Support, Auto-negotiation, Bootp Support, Arp Support, Vlan Support, Igmp Snooping, Syslog Support, Port Mirroring, Stackable, 3com Xrn Technology, Quality Of Service (qos) 
   Compliant Standards : Ieee 802.3, Ieee 802.3u, Ieee 802.3i, Ieee 802.3z, Ieee 802.1d, Ieee 802.1q, Ieee 802.3ab, Ieee 802.1p, Ieee 802.3af, Ieee 802.3x, Ieee 802.3ad (lacp), Ieee 802.1w, Ieee 802.1x, Ieee 802.3ae, Ieee 802.1s 
 Expansion / Connectivity : 
   Expansion Slots Total (free) : 26 ( 26 ) X Sfp (mini-gbic) 
   Interfaces : 2 X Network - Ethernet 10base-t/100base-tx/1000base-t - Rj-45 1 X Management - Console - Rj-45 
 Power : 
   Power Device : Power Supply 
   Voltage Required : Ac 120/230 V ( 50/60 Hz )