StarTech.com Cisco Meraki MA-SFP-1GB-SX Comp. SFP Module - 1000BASE-SX - 1GbE MMF Transceiver 550m - MASFP1GBSXST - Transceiver Modules - CDW.com
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SFP-7040-31 - Gigabit single-mode SFP transceiver, 1000Base-LHX, 1310nm, max range 40Km, dual LC connector
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