... Description optical node,optical receiver,catv optical node. Unique CPU control technology, real-time random collection and testing of various parameters.Optical controlled ... to make accurate judgment.Digital display, show the optical power from time to time.Potassium arsenide synthesis ( ... /APCFC/APCOptical Return LossdB≥45CNRdB≥51-1 dBm Optical Power InputCTBdB≥65100 dBμV, OutputCSOdB≥61100 dB ...