CISCO - CATALYST 3750 EMI MANAGED SWITCH - 24 ETHERNET PORTS (WS-C3750G-24T-E). KEY FEATURES : DEVICE TYPE : SWITCH - 24 PORTS - MANAGED - STACKABLE ENCLOSURE TYPE : RACK-MOUNTABLE - 1U PORTS : 24 X 10/100/1000 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, SNMP 2, RMON 2, SNMP, RMON, TELNET, SNMP 3 AUTHENTICATION METHOD : SECURE SHELL (SSH), RADIUS, TACACS+ FEATURES : FLOW CONTROL, FULL DUPLEX CAPABILITY, ROUTING, AUTO-SENSING PER DEVICE, DHCP SUPPORT, AUTO-NEGOTIATION, ARP SUPPORT, TRUNKING, LOAD BALANCING, VLAN SUPPORT, IGMP SNOOPING, MANAGEABLE, STACKABLE COMPLIANT STANDARDS : IEEE 802.3, IEEE 802.3U, IEEE 802.1D, IEEE 802.1Q, IEEE 802.1P, IEEE 802.3AD (LACP), IEEE 802.1W, IEEE 802.1X, IEEE 802.1S RAM : 128 MB FLASH MEMORY : 16 MB FLASH STATUS INDICATORS : PORT STATUS, LINK ACTIVITY, PORT TRANSMISSION SPEED, PORT DUPLEX MODE, POWER EXPANSION / CONNECTIVITY : INTERFACES : 24 X 10BASE-T/100BASE-TX - RJ-45 1 X CONSOLE - RJ-45 - MANAGEMENT 2 X NETWORK STACK DEVICE POWER : POWER DEVICE : INTERNAL POWER SUPPLY VOLTAGE REQUIRED : AC 120/230 V ( 50/60 HZ ) POWER CONSUMPTION OPERATIONAL : 50 WATT CONDITION : REFURBISHED. AVAILABILITY : IN STOCK. OUR WARRANTY : 30 DAYS.