CISCO - CATALYST 3750V2-48PS MANAGED L3 SWITCH - 48 POE ETHERNET PORTS & 4 SFP PORTS (WS-C3750V2-48PS-E). KEY FEATURES : DEVICE TYPE : SWITCH - 48 PORTS - L3 - MANAGED ENCLOSURE TYPE : RACK-MOUNTABLE - 1U PORTS : 48 X 10/100 (POE) + 4 X SFP POWER OVER ETHERNET (POE) : POE MAC ADDRESS TABLE SIZE : 12K ENTRIES ROUTING PROTOCOL : OSPF, IGRP, BGP-4, RIP-1, RIP-2, EIGRP, DVMRP, PIM-SM, STATIC IP ROUTING, PIM-DM REMOTE MANAGEMENT PROTOCOL : SNMP 1, RMON 1, RMON 2, RMON 3, RMON 9, TELNET, SNMP 3, SNMP 2C AUTHENTICATION METHOD : KERBEROS, RADIUS, TACACS+, SECURE SHELL V.2 (SSH2) FEATURES : LAYER 3 SWITCHING, DHCP SUPPORT, VLAN SUPPORT, AUTO-UPLINK (AUTO MDI/MDI-X), IGMP SNOOPING, TRAFFIC SHAPING, MAC ADDRESS FILTERING, IPV6 SUPPORT, DHCP SNOOPING, DYNAMIC TRUNKING PROTOCOL (DTP) SUPPORT, TRIVIAL FILE TRANSFER PROTOCOL (TFTP) SUPPORT, ACCESS CONTROL LIST (ACL) SUPPORT, QUALITY OF SERVICE (QOS), DYNAMIC ARP INSPECTION (DAI) COMPLIANT STANDARDS : IEEE 802.3, IEEE 802.3U, 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 802.1S FLASH MEMORY : 32 MB FLASH STATUS INDICATORS : PORT STATUS, LINK ACTIVITY, LINK OK EXPANSION / CONNECTIVITY : INTERFACES : 48 X 100BASE-TX - RJ-45 - POE 1 X CONSOLE - RJ-45 - MANAGEMENT 4 X SFP (MINI-GBIC) POWER : POWER DEVICE : INTERNAL POWER SUPPLY VOLTAGE REQUIRED : AC 120/230 V ( 50/60 HZ ) POWER CONSUMPTION OPERATIONAL : 71 WATT FEATURES : REDUNDANT POWER SYSTEM (RPS) CONNECTOR CONDITION : NEW FACTORY SEALED. AVAILABILITY : IN STOCK. OUR WARRANTY : 30 DAYS