Product UPC: 658759002372 CISCO - CATALYST 48-PORT GIGABIT ETHERNET LINE CARD WITH POE+ (WS-X4548-RJ45V+). KEY FEATURES : DEVICE TYPE : SWITCH - 48 PORTS ENCLOSURE TYPE : PLUG-IN MODULE COMPATIBLE SLOTS : 1 X EXPANSION SLOT PORTS : 48 X 10/100/1000 (POE) POWER OVER ETHERNET (POE) : POE FEATURES : FLOW CONTROL, POWER OVER ETHERNET (POE), POE+ COMPLIANT STANDARDS : IEEE 802.3Z, IEEE 802.3AB, IEEE 802.3AF, IEEE 802.3X EXPANSION / CONNECTIVITY : INTERFACES : 48 X 1000BASE-T - RJ-45 - POE CONDITION : REFURBISHED. AVAILABILITY : IN STOCK. OUR WARRANTY : 30 DAYS.