FTTX常用缩略语英文缩写英文原句ADSL2+ Asymmetric Digital Subscriber Line Transceivers 2 plusVDSL2 Very-high-speed Digital Subscriber Line 2 AF Adaptation FunctionAG Aeccess Gateway BRAS Broadband Remote Access Server CATVCable Television CESoP Circuit Emulation Service over PacketCIR Commited information rate CVLAN Customer VLAN DBA Dynamic Bandwidth Allocation DCN Data Communication Network DELT Dual-Ended Loop TestingDHCP Dynamic Host Configuration Protocol DLF Destination Lookup Failure DoS Denial of Service DSCP Differentiated Services Code Point EMS Element Management System EPON Ethernet Passive Optical Networks FEC Forward Error Correction FIRFixed Information Rate FTTB/C Fiber to the Building/Curb FTTCab Fiber to the Cabinet FTTH Fiber to the Home FTTO Fiber to the Office FTTVFiber To The VillageFTTZFiber To The ZoneFTTUFiber To The UserGE Gigabit EthernetGEM GPON Encapsulation MethodGPON Gigabit-Capable Passive Optical NetworkGTC GPON Transmission ConvergenceGUI Graphical User InterfaceHGU Home Gateway UnitIAD Integrated Access Device IGMP Internet Group Management Protocol IPTV Internet Protocol Television LLID Logical Link Identifier MAC Medium Access ControlMDU Multi-Dwelling Unit MIB Management Information Base MLM Multi-Longitudinal ModeMOS Mean Opinion Score MPCP Multi-point control protocol MTU Multi-Tenant Unit NE Network Element NRZ Non Return to Zero NSR Non-Status Reporting OAM Operations, Administration and Maintenance ODN Optical Distribution Network OLT Optical Line Terminal OMA Optical Modulation Amplitude OMCI ONT Management and Control Interface ONU Optical Network Unit ORL Optical Return LossOSI Open System Interconnection PCS Physical Code Sublayer PDU Protocol Data Unit PIR Peak Information Rate PMA Physical Med...