Connecting Network Switches via Fiber - Future Ready Solutions
Amazon.com: TRENDnet SFP to RJ45 Mini-GBIC Single Mode LC Module, TEG-MGBS40, Up to 40 km, Single-Mode Fiber, LC Connector-Type, Connect with a Standard Mini-GBIC Slot, Duplex LC Connector, Lifetime Protection : Electronics
Ubiquiti UF-MM-1G Gigabit Multimode Fibre SFP Transceiver, LC Connector, Two Pack (up to 550m)