Detail overview
  hp - A5120-24g-poe+ Si Switch - Switch - 24 Ports - Managed - Rack-mountable (jg091-61101). 
key Features : 
  Device Type : Switch - 24 Ports - L4 - Managed 
   Enclosure Type : Rack-mountable 1u 
   Interfaces : Gigabit Ethernet 
   Ports : 24 X 10/100/1000 + 4 X Gigabit Sfp 
   Power Over Ethernet (poe) : Poe 
   Performance : 
 Routing/switching Capacity : 56 Gbps 
 Throughput : 41.7 Mpps 
   Mac Address Table Size : 8k Entries 
   Jumbo Frame Support : Yes 
   Routing Protocol : Ospf, Rip, Igmp, Static Ipv4 Routing 
   Remote Management Protocol : Snmp 1, Rmon, Telnet, Snmp 3, Snmp 2c, Http, Https, Ssh-2, Cli 
   Features : Flow Control, Layer 3 Switching, Layer 2 Switching, Dhcp Support, Bootp Support, Arp Support, Vlan Support, Auto-uplink (auto Mdi/mdi-x), Igmp Snooping, Rapid Spanning Tree Protocol (rstp) Support, Multiple Spanning Tree Protocol (mstp) Support, Dhcp Snooping, Access Control List (acl) Support, Quality Of Service (qos), Jumbo Frames Support, Poe+, Stp Root Guard, Lacp Support, Lldp Support 
   Compliant Standards : Ieee 802.3, Ieee 802.3u, Ieee 802.1d, Ieee 802.1q, Ieee 802.3ab, Ieee 802.1p, Ieee 802.3x, Ieee 802.3ad (lacp), Ieee 802.1w, Ieee 802.1x, Ieee 802.3at 
   Power : Ac 120/230 V ( 50/60 Hz )