... Converter, 155M, Single-mode, SC, WDM T1310/R1550, 20-Km, SC, FC and LC Connectors for selection 10/100 ... -TX/FXInterface:10/100/1000Mbps RJ45 port x 11000Mbps FX port x 1Diagnostic LEDs:PWR,TXL,FXL,1000M,TX, ... 85°CHumidity: 5% ~ 90% non-condensingDimension & Weight Size: 155 x 126x 41mm (WxDxH)Shipping Weight: 0.8KGEmission/SafetyFCC Class A ... Converter, 155M, Single-mode, SC, WDM T13/R15, 20-Km