StarTech.com 10/100 Mbps Single Mode Fiber Media Converter SC – 18.6 miles/30km over Single Mode SC Fiber (ET90110SM302) – Fibre media converter – 100Mb LAN – 100Base-FX – RJ-45 / SC single-mode – up to 30 km – 1310 nm – for P/N: ETCHS2U, SVA12M2NEUA, SVA