CISCO - CLASSIC INTERFACE MODULE EXPANSION MODULE (WS-X6148E-GE-45AT). KEY FEATURES : DEVICE TYPE : EXPANSION MODULE FORM FACTOR : PLUG-IN MODULE PORTS : 10/100/1000 X 48 CABLING TYPE : ETHERNET 10BASE-T, ETHERNET 1000BASE-TX, ETHERNET 100BASE-FX, ETHERNET 100BASE-TX DATA LINK PROTOCOL : 10MB LAN, 100MB LAN, GIGABIT LAN DATA TRANSFER RATE : 1 GBPS COMPLIANT STANDARDS : IEEE 802.3, 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 802.1S, IEEE 802.3AT DESIGNED FOR : CATALYST 6503-E, 6504-E, 6506-E, 6506-E IDSM-2, 6509-E, 6509-E 10GIG, 6509-V-E, 6513-E CONDITION : REFURBISHED. AVAILABILITY : IN STOCK. OUR WARRANTY : 30 DAYS.