"10/100 Mbps RJ45 to 100 Mbps Single-mode SC WDM Bi-Directional Fiber Converter PORT: 1× 100Mbps SC Port, 1× 10/100M RJ45 Port (Auto MDI/MDIX) SPEC: Full-duplex, Tx:1550 nm, Rx:1310 nm, Up to 20 km, Chassis TL-FC1420 rack-mountable"