Description/Info: Genuine Cisco GLC-SX-MM 30-1301-03 1000Base-SX SFP Transceiver ModuleQuantity/Lot:1Unit/sModel #:GLC-SX-MMP/N:30-1301-03DP/N (If Applicable): N/ATerms/Warranty: Per policy items on listenings have a 30 day warranty. Items are to be returned exactly as received. Non defective items are subject to a 15% re stocking fee.Please contact us if you have any questions or concerns. Before opening a case for any items contact us first to assist you with replacements or refunds.Units come in anti static bag.