CISCO - CLASSIC INTERFACE MODULE EXPANSION MODULE - 48 PORTS (WS-X6148A-GE-TX). KEY FEATURES : DEVICE TYPE : EXPANSION MODULE FORM FACTOR : PLUG-IN MODULE PORTS QTY : 48 PORTS CABLING TYPE : ETHERNET 10BASE-T, ETHERNET 100BASE-TX, ETHERNET 1000BASE-T DATA LINK PROTOCOL : ETHERNET, FAST ETHERNET, GIGABIT ETHERNET DATA TRANSFER RATE : 1 GBPS PERFORMANCE : SWITCHING CAPACITY : 32 GBPS COMPLIANT STANDARDS : IEEE 802.3Z, IEEE 802.1D, IEEE 802.1Q, IEEE 802.3AB, IEEE 802.1P, IEEE 802.3X, IEEE 802.3AD (LACP), IEEE 802.1W, IEEE 802.1S DESIGNED FOR : SUPERVISOR ENGINE 1A, 32, 720, II CONDITION : REFURBISHED. AVAILABILITY : IN STOCK. OUR WARRANTY : 30 DAYS.