Further information for Perle 05050472 - Media Converters 10/100 RJ45/SC single mode (up 20k)
05050472 S-110-S1SC20U - 10/100 Fast Ethernet Stand-Alone Media and Rate Converter 10/100Base-TX (RJ-45) [100 m/328 ft.] to 100BASE-BX 1310nm TX / 1550nm RX single fiber beach, single mode (SC) [20 km/12.4 miles]! Order! Non-refundable!