TP-Link MC110CS 10/100Mbps Single-Mode Media Converter Convert 100BASE-FX Fiber to 100Base-TX Copper Media Extends Fiber Distance Up To 20km

Complies with 802.3u 10/100Base-TX, 100Base-FX standards.
Link Fault Passthrough and Far End Fault minimize the loss caused by link failure timely
Provides switch configuration of Half-Duplex / Full-Duplex transfer mode for FX port.
Extends fiber distance up to 20km