TP-LINK NET MEDIA CONVERTER 20KM/TL-FC111A-20

— Complies with 802.3u 10/100Base-TX, 100Base-FX standards
— Auto-negotiation of Half-Duplex/Full-Duplex transfer mode
— 9/125 μm SMF (Single-Mode Fiber)
— Bidirectional WDM communication on a single fiber
— Ranges up to 20km (12.4 miles)
— Work with TL-FC111B-20 as a pair