Specification :

100Base-TX to 100Base-FX Dual Wavelength Single Mode SC Fiber Converter TX 1550nm

The TFC-110S20D5 Bi-Directional Single-Strand Fiber Converter works with the TFC-1600 chassis system or as a standalone unit. This Dual Wavelength Single Mode SC Simplex type converter spans distances up to 20km ( 12.4 miles) and must be used with model TFC-110S20D5. Ports include 1 x 10/ 100Base-TX ( RJ-45) port and 1 x 100Base-FX ( SC Simplex Type) port.