Data Output Method In Holdover Mode - Huawei OptiX OSN 550 Configuration Manual

OptiX OSN 550 Multi-Service CPE Optical Transmission
System
Configuration Guide
Values
Value Range
Normal Mode, Holdover Mode, Free-
Run Mode
The following table lists the description of each value.
Value
Normal Mode
Holdover Mode
Free-Run Mode
Configuration Guidelines
None.
Relationship with Other Parameters
None.
Related Information
None.

7.128 Data Output Method in Holdover Mode

Description
The Data Output Method in Holdover Mode parameter is used to specify whether the data is
output normally or the latest data is kept when the NE clock is in the holdover mode.
Impact on the System
The system running is not affected.
Issue 02 (2011-06-30)
Description
Indicates that the NE clock works in the tracing mode. That is, the
NE clock traces and locks the working mode of its upper-level
clock.
Indicates that the NE clock works in the holdover mode. That is,
in this mode, the NE clock uses the frequency information that is
stored before all timing reference signals are lost as its timing
reference.
Indicates that the NE clock works in the free-run mode. That is,
the internal oscillator works in this mode when all external timing
reference signals are lost.
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Default Value
-
7 List of Parameters
7-105