8-Port Managed Gigabit Ethernet Switch | Linksys | Linksys: US
Transition TN-SFP-GE-T | Hardened Cisco Compatible Gigabit S
Gigabit Ethernet Media Converter, MultiMode Dual LC Fiber to Ethernet RJ45 Converter for 10/100/1000Base-Tx to 1000Base-SX(with a SFP MMF 850-nm Module), UL Certified, up to 550-m - Newegg.com
SFP-7010-31 - Gigabit single-mode SFP transceiver, 1000Base-LX, 1310nm, max range 10Km, dual LC connector