... /1000M Media Converter, 155M, Single-mode, SC, WDM T1310/R1550, 20-Km, SC, FC and LC Connectors for selection 10/100 ... 256K Byte Packet BufferLED indication: PWR,TXL,FXL,1000M,TX,RX. Specification: Standards:IEEE 802.3 10Base-TIEEE 802.3u 100Base ... /1000M Media Converter, 155M, Single-mode, SC, WDM T13/R15, 20-Km