CISCO -(DS-X2-FC10G-LR) 10GBPS FIBRE CHANNEL LR X2 TRANSCEIVER NETWORKING : DEVICE TYPE : X2 TRANSCEIVER MODULE - SC SINGLE MODE FORM FACTOR : PLUG-IN MODULE CABLING TYPE : FIBER OPTIC DATA TRANSFER RATE : 10.52 GBPS OPTICAL WAVE LENGTH : 1310 NM DATA LINK PROTOCOL : 10GB FIBRE CHANNEL MAX TRANSFER DISTANCE : 6.2 MILES CONDITION : BRAND NEW SEALED BAG. AVAILABILITY : IN STOCK. OUR WARRANTY : 30 DAYS.