O&M缩写的意思

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