Product UPC: 683405197966 CISCO - CATALYST 3560-48PS MANAGED L3 SWITCH - 48 POE ETHERNET PORTS & 4 SFP PORTS (WS-C3560-48PS-S). SPECIFICATIONS : - DESCRIPTION : CISCO CATALYST 3560-48PS SMI - SWITCH - 48 PORTS - DEVICE TYPE : SWITCH - FORM FACTOR : RACK-MOUNTABLE - 1U - DIMENSIONS (WXDXH) : 17.5 IN X 14.8 IN X 1.7 IN - WEIGHT : 13.2 LBS - RAM : 128 MB - FLASH MEMORY : 16 MB - PORTS QTY : 48 X ETHERNET 10BASE-T, ETHERNET 100BASE-TX - DATA TRANSFER RATE : 100 MBPS - DATA LINK PROTOCOL : ETHERNET, FAST ETHERNET - EMPTY SLOTS : 4 X SFP (MINI-GBIC) - REMOTE MANAGEMENT PROTOCOL : SNMP 1, RMON 1, RMON 2, TELNET, SNMP 3, SNMP 2C - COMMUNICATION MODE : HALF-DUPLEX, FULL-DUPLEX -FEATURES : FULL DUPLEX CAPABILITY, LAYER 3 SWITCHING, AUTO-SENSING PER DEVICE, IP-ROUTING, DHCP SUPPORT, POWER OVER ETHERNET (POE), AUTO-NEGOTIATION, AUTO-UPLINK (AUTO MDI/MDI-X), IGMP SNOOPING, MANAGEABLE, REDUNDANT POWER SYSTEM CONNECTOR - 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 - POWER : AC 120/230 V (50/60 HZ) CONDITION : REFURBISHED. AVAILABILITY : IN STOCK. OUR WARRANTY : 30 DAYS.