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ME60 V800R010C10SPC500 Feature Description - System Management 01

This is ME60 V800R010C10SPC500 Feature Description - System Management
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Terms and Abbreviations for 1588 ACR

Terms and Abbreviations for 1588 ACR

Terms

Term

Description

Synchronization

On a modern communications network, in most cases, the proper functioning of telecommunications services requires network clock synchronization, meaning that the frequency offset or time difference between devices must be kept in an acceptable range. Network clock synchronization includes frequency synchronization and time synchronization.

Time synchronization

Time synchronization, also called phase synchronization, refers to the consistency of both frequencies and phases between signals. This means that the phase offset between signals is always 0.

Frequency synchronization

Frequency synchronization, also called clock synchronization, refers to a strict relationship between signals based on a constant frequency offset or a constant phase offset, in which signals are sent or received at the same average rate in a valid instance. In this manner, all devices on the communications network operate at the same rate. That is, the phase difference between signals remains a fixed value.

IEEE 1588v2

PTP

1588v2, defined by the Institute of Electrical and Electronics Engineers (IEEE), is a standard for Precision Clock Synchronization Protocol for Networked Measurement and Control Systems. The Precision Time Protocol (PTP) is used for short.

Abbreviations

Abbreviation

Full Spelling

PTP

1588v2

Precision Time Protocol

BITS

Building Integrated Time Supply System

BMC

Best Master Clock

ACR

Adaptive Clock Recovery

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Updated: 2019-01-04

Document ID: EDOC1100059466

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