Amazon.com: 24 Port Gigabit Ethernet PoE Switch with 2 Uplink Gigabit Port & 2 SFP Port, YuanLey Unmanaged 24 Port PoE+ Network Switch, Rackmout, Build in 400W Power, Support 802.3af/at, Plug and
10/100/1000Base-T RJ45 to 1000Base-X SFP Mini Unmanaged Fiber Media Converter - FS.com
Amazon.com: Gigabit Single-Mode LC Fiber to Ethernet Media Converter with A SFP LX Module, 1.25G SFP Fiber to Copper RJ45 Media Converter, 1000Base-LX to 10/100/1000Base-TX, 1310nm, SMF, Transmission up to 20-KM :