CISCO - LINE CARD E-SERIES - SWITCH - 12 X GIGABIT SFP - PLUG-IN MODULE (WS-X4712-SFP-E). KEY FEATURES : DEVICE TYPE : SWITCH - 12 PORTS ENCLOSURE TYPE : PLUG-IN MODULE SUBTYPE : GIGABIT ETHERNET PORTS : 12 X GIGABIT SFP PERFORMANCE : SWITCHING CAPACITY : 12 GBPS JUMBO FRAME SUPPORT : 9216 BYTES FEATURES : PORT AGGREGATION PROTOCOL (PAGP) SUPPORT, JUMBO FRAMES SUPPORT, LINK AGGREGATION CONTROL PROTOCOL (LACP) COMPLIANT STANDARDS : IEEE 802.3AD (LACP), IEEE 802.1AE CONDITION : REFURBISHED. AVAILABILITY : IN STOCK. OUR WARRANTY : 30 DAYS.