Detail overview
   Hp - 48 Port Switch Layer3 Managed 48 X 10/100/1000 4 X Sfp Desktop Poe (jc104a). 
 Key Features : 
  Device Type : Switch - 48 Ports - L3 - Managed 
   Enclosure Type : Desktop - 1u 
   Ports : 48 X 10/100/1000 + 4 X Sfp+ 
   Power Over Ethernet (poe) : Yes 
   Mac Address Table Size : 32k Entries 
   Routing Protocol : Ospf, Bgp-4, Is-is, Rip-1, Rip-2, Bgp, Igmpv2, Igmp, Vrrp, Ospfv2, Pim-sm, Pim-dm, Igmpv3, Ospfv3, Pim-ssm, Msdp, Static Ipv4 Routing, Static Ipv6 Routing, Policy-based Routing (pbr), Ripng 
   Remote Management Protocol : Snmp 1, Rmon 1, Rmon 2, Rmon 3, Rmon 9, Telnet, Snmp 3, Snmp 2c, Http, Https, Cli 
   Encryption Algorithm : Ssl, Pki 
   Authentication Method : Radius, Tacacs+, Secure Shell V.2 (ssh2) 
   Features : Flow Control, Routing, Layer 3 Switching, Layer 2 Switching, Dhcp Support, Arp Support, Vlan Support, Auto-uplink (auto Mdi/mdi-x), Igmp Snooping, Sflow, Rapid Spanning Tree Protocol (rstp) Support, Virtual Route Redundancy Protocol (vrrp) Support, Multiple Spanning Tree Protocol (mstp) Support, Access Control List (acl) Support, Quality Of Service (qos), Jumbo Frames Support, Mld Snooping, Equal-cost Multipath (ecmp), Stp Root Guard, Unicast Reverse Path Forwarding (urpf) 
   Compliant Standards : Ieee 802.3, Ieee 802.3u, 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 802.1ad, Ieee 802.1ab (lldp) 
   Ram : 512 Mb - Sdram 
   Flash Memory : 512 Mb Flash 
 Expansion / Connectivity : 
   Interfaces : 1 X Console - Rj-45 - Management 
48 X 10base-t/100base-tx/1000base-t - Rj-45 - Poe 
4 X Sfp+ 
   Expansion Slots Total (free): 1 ( 1 ) X Expansion Slot 
 Power : 
   Power Device : Power Supply 
   Voltage Required : Ac 120/230 V ( 50/60 Hz )