Buy on Amazon : br br TP-LINK MC111CS WDM Media Converter 10100Mbps RJ45 to 100M single-mode SC fiber Tx:1550nm br br Complies with 8023u 10100Base-TX 100Base-FX standards br Link Fault Passthrough and Far End Fault minimize the loss caused by link failure timely br Adopts WDM technology transmitting and receiving data on one single fiber