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Intel
®
Ethernet Network Adapter E810-XXVDA4T
User Guide
Appendix B Glossary and Acronyms
Table 8. Definition of Terms
Term Definition
AAU Active Antenna Unit
BBU Baseband Unit
BC Boundary Clock
BMC Best Main Clock
CN Core Network
CPRI Common Public Radio Interface
CU Centralized Unit
DU Distributed Unit
EEC Ethernet Equipment Clock
eMBB Enhanced Mobile Broadband
EPC Evolved Packet Core
Extts External Timestamp
GMC Grand Main Clock
GNSS Global Navigation Satellite System (include GPS, Galileo, Glonass, Beidou, QZSS, and NavIC)
MIMO Multiple-Input Multiple-Output
mMTC Massive Machine Type Communication
ms Milliseconds
NGCN Next Generation Core Network
ns Nanoseconds
NTP Network Time Protocol
OC Ordinary Clock
OCXO Oven-Controlled Crystal Oscillator
OTII Open Telecom IT Infrastructure
PDCP Packet Data Convergence Protocol
PHC PTP Hardware Clock
ppb Parts Per Billion
ppm Parts Per Million
PRC Primary Reference Clock
PTP Precision Time Protocol
ptp4l PTP for Linux
RAN Radio Access Network
RU Radio Unit
S Seconds
SSU Synchronization Supply Unit
SyncE Synchronous Ethernet
TC Transparent Clock
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