FTTA缩写的意思

IM FCN DFOS CNCC STB FED DCT DTD GDPS QDOS DTP EAF DFSK DS DVC AFC NDS S3 NCBA CPS EELS UMTS CTDM ETE SOC APADAS APARS ASI IOB MADP CRC CICS AJG EF DPON ASC ABDL SSM RAID RIP CAI SSG mcu CSE GIMM IS-IS AP CC GPS EEROM SFB Bps EFCI EWT ppm DCN DL DVVI ESC CPM