Трансивер D-Link DMC-F20SC-BXD WDM Media Converter 100Base-TX to 100Base-FX, SC, Single-mode, TX: 1550nm; RX: 1310nm, 20KM, Stand-alone
DMC-F20SC-BXD WDM Media Converter 100Base-TX to 100Base-FX, SC, Single-mode, TX: 1550nm; RX: 1310nm, 20KM, Stand-alone