Hp Jl559a Aruba 2930f 48g Poe+ 4sfp+ Taa - Switch - 48 Ports - Managed - Rack-mountable. 
 Key Features : 
 Device Type: Switch - 48 Ports - L3 - Managed - Stackable 
 Enclosure Type: Rack-mountable 1u 
 Subtype: Gigabit Ethernet 
 Ports: 48 X 10/100/1000 (poe+) + 4 X 1 Gigabit / 10 Gigabit Sfp+ (uplink) 
 Power Over Ethernet (poe): Poe+ 
 Performance: Throughput: 112 Mpps ¦ Switching Capacity: 176 Gbps ¦ Latency (1 Gbps): 3.8 Μs ¦ Latency (10 Gbps): 1.6 Μs 
 Capacity: Jumbo Frame Size: 9220 ¦ Ipv4 Routing Table Entries: 10000 ¦ Ipv6 Routing Table Entries: 5000 
 Mac Address Table Size: 32k Entries 
 Routing Protocol: Ospf, Rip, Rip-1, Rip-2, Bgp, Igmpv2, Igmp, Ospfv2, Static Ip Routing, Igmpv3, Ospfv3, Static Ipv4 Routing, Static Ipv6 Routing, Ripng, Mld, Cidr 
 Remote Management Protocol: Snmp 1, Snmp 2, Rmon 1, Snmp, Telnet, Snmp 3, Snmp 2c, Ssh, Ssh-2, Cli, Xrmon 
encryption Algorithm: Md5, Ssl 
authentication Method: Radius, Pap, Chap, Tacacs, Tacacs+ 
features: Flow Control, Full Duplex Capability, Dhcp Support, Bootp Support, Arp Support, Vlan Support, Igmp Snooping, Syslog Support, Diffserv Support, Ipv6 Support, Sntp Support, Sflow, Spanning Tree Protocol (stp) Support, Multiple Spanning Tree Protocol (mstp) Support, Access Control List (acl) Support, Quality Of Service (qos), Jumbo Frames Support, Dhcp Server, Stp Root Guard, Uni-directional Link Detection (udld), Lldp Support, Link Aggregation Control Protocol (lacp), Management Information Base (mib), Mac Address Lockout, Dynamic Arp Protection, Dhcp Protection, Dynamic Vlan Support (gvrp), Multiple Vlan Registration Protocol (mvrp), Neighbor Discovery Protocol (ndp), Class Of Service (cos), Type Of Service (tos), Openflow Support, Cpu Protection, Internet Control Message Protocol (icmp), Icmp Router Discovery Protocol (irdp), Virtual Extensible Lan (vxlan), Management Information Base (mib) Ii 
compliant Standards: Ieee 802.1d, Ieee 802.1q, Ieee 802.1p, Ieee 802.3af, Ieee 802.3x, Ieee 802.3ad (lacp), Ieee 802.1w, Ieee 802.1x, Ieee 802.1s, Ieee 802.1ad, Ieee 802.1v, Ieee 802.1ab (lldp), Ieee 802.3at, Ieee 802.3az, Ieee 802.1ax 
processor: 1 X Arm Cortex-a9: 1.016 Ghz 
ram: 1 Gb Ddr3 Sdram 
flash Memory: 4 Gb 
 Expansion / Connectivity : 
interfaces: 48 X 1000base-t Rj-45 Poe+ - 740 W ¦ 4 X Gigabit / 10gbit Lan Sfp+ ¦ 1 X Serial (console) 
expansion Slots: 1 (total) / 1 (free) X Expansion Slot 
installed Modules Qty (max): 0 (installed) / 4 (max) 
 Power : 
 Power Device: Internal Power Supply 
 Installed Qty: 1 
 Voltage Required: Ac 120/230 V (50/60 Hz)