ZXMSG 5200 (V2.0) Technical Manual
74 Confidential and Proprietary Information of ZTE CORPORATION
Abbreviations Full Name
NE Network Element
NET NETwork
NETD NETwork Driver
NGN Next Generation Network
NMT Network Management Layer
NPI Numbering Plan Identifier
NRZ Non-Return Zero
OAM Operation, Administration & Maintenance
OAN Optical Access Network
OCC Occupancy
ODT Octuple Digital Trunk
OFL Percentage Overflow
OGT Outgoing Trunk
OLT Optical Line Terminal
OMC Operation Maintenance Center
OMM: Operation Maintenance Module
ONU Optical Network Unit
OS Operation System
OW Order Wire
PCM Pulse Code Modulation
PDH Plesiochronous Digital Hierarchy
PHI Packet Handling Interface
PHM Packet Handler Module
PLL Phase Locked Loop
POTS Plain Old Telephone Service
PP Peripheral Processor
PRM Premium Rate
PSM Peripheral switching Module
PSPDN Packet Switched Public Data Network
PSTN Public Switch Telephone Network
RAM Random Access Memory
REG Regenerator
RIM Remote Interface Module
RLM Remote Line Module
ROM Read Only Memory
RSM Remote Switch Module
RSU Remote Subscriber Unit
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