Trendnet TFC-110S40D5I 100Mbit/s Single-mode Black network media converter

Intelligent 100Base-TX to 100Base-FX Dual Wavelength Single Mode SC Fiber Converter (40 km / 24.9 miles) The TFC-110S40D5i intelligent fiber converter works with the TFC-1600 chassis system or as a standalone unit. This converter is a Dual Wavelength Single Mode SC-Type fiber converter that spans distances up to 40 km (24.9 miles). This module must be used with the TFC-110S40D3i module. Ports include 1 x 10/100Base-TX (RJ-45) port and 1 x 100Base-FX (SC Simplex Type) port.