Phase-Locked Source Fail Action - Huawei OptiX OSN 550 Configuration Manual

OptiX OSN 550 Multi-Service CPE Optical Transmission
System
Configuration Guide
Related Information
None.
7.117 2M Phase-Locked Source Fail Action
Description
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.
Impact on the System
The system running is not affected.
Values
Value Range
Shut Down Output, Send AIS,
2M Output S1 Byte
Unavailable
The following table lists the description of each value.
Value
Shut Down Output
Send AIS
2M Output S1 Byte
Unavailable
Configuration Guidelines
When the 2M phase-locked source is invalid, output action can be set as required. When the
External Clock Output Mode parameter is set to 2 MHz, the output of external clock signal
is shut down no matter what action is set.
Relationship with Other Parameters
None.
Related Information
None.
Issue 02 (2011-06-30)
Default Value
Shut Down Output
Description
Indicates that the output of external clock signal is shut down.
Indicates that the external clock sends all "1"s signals.
Indicated that the S1 byte sent by the external clock is
unavailable. That is, the external clock sends 0x0f.
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7 List of Parameters
7-95