Alcatel-Lucent 1643 AMS User's Operation Manual page 335

Timing provisioning
Lock out request
The Lock out state can be changed with the Lock Out Request parameter. This can be
set to Yes or No.
The Lock Out Request is for maintenance purposes. A Timing Source, which has a
priority value assigned to it, can be temporarily locked out. When the Timing Source is
already disabled, a Lock Out Request is rejected. A Lockout Request is set to No
automatically when the Timing Source is disabled.
When Priority = Disabled the Lock Out Request field is greyed out.
Important! When a timing source is locked out, the network element is in the
Abnormal State.
Priority
The priority can be set for each timing source. For a network element with N timing
sources provisioned, the priority can have values from 1 to N.
The Priority parameter can also have the value Disabled. A disabled timing source will
not be taken into account in the Timing Source Selection for the system timing.
Important! Make sure not to provision identical Priority values to multiple timing
sources.
QL
The quality level of a timing source, that is used for automatic timing mode selection
is indicated in the Provisioned NE System Timing Information window. This QL is
identical to the QL-out as described in "Parameters to Provision Timing Sources".
QL mode
The QL-mode parameter allows to disable or enable the use of the S1-byte in the
algorithm to select the active timing reference. The possible values for QL-mode are
Enabled and Disabled.
When QL Mode is enabled, the system will choose the timing source with the best
quality level. In case of multiple timing sources with all the best quality level, the
timing source with the lowest priority value is selected.
Signal status
The signal status is received in the timing sources block and forwarded to the system
timing block and the station clock output timing block. The possible values are:
Signal Status
Not Connected
Failed
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365-312-807R7.2
Issue 4, May 2007
Description
No reference is assigned to the timing source.
A timing link fail is declared for the assigned timing link.
Alcatel-Lucent - Proprietary
See notice on first page
Parameters for provisioning system timing
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