
Field
Value Range
Description
2M Phase-Locked Source
Fail Action
Shut Down Output, Send
AIS, 2M Output S1 Byte
Unavailable
Default value: Shut Down
Output
The
2M Phase-Locked
Source Fail Action
parameter is used to specify
the action to be invoked in the
case of 2M phase-locked
source failure. When the
reference clock signal for
locking external clock output
is invalid or inferior to the
threshold, the specific action
is invoked to control the
external clock output by
either shutting down the
output or inserting an AIS
alarm.
You can click
Phase-Locked Source Fail
Action
to display the detailed
information.
2.8.2 Configuring Clock Protection and Restoration
You need to configure necessary protection for the clock so that the NE can be synchronized
normally.
lists the parameters that are used for configuring clock protection and restoration.
Table 2-5
Parameters used for configuring clock protection and restoration
Field
Value Range
Description
NE Name
For example: NE(9-5595)
Displays the name of the NE.
Higher Priority Clock Source
Reversion Mode
Non-Revertive, Auto-
Revertive
Default value: Auto-
Revertive
The
Higher Priority Clock
Source Reversion Mode
parameter specifies whether
to switch from the lower-
priority clock source back to
the higher-priority clock
source after the higher-
priority clock source is
restored to normal.
You can click
Priority Clock Source
Reversion Mode
to display
the detailed information.
OptiX OSN 550 Multi-Service CPE Optical Transmission
System
Configuration Guide
2 Creating the Network
Issue 02 (2011-06-30)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
2-27