Nokia 7705 - 6.10.6.5 Using the Revert Command

System Management
308
Basic System Configuration Guide
3HE 11010 AAAC TQZZA Edition: 01
ql-override prs
exit
no revert
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*ALU-1>>config>system>sync-if-timing#
The following display shows a basic SSM QL configuration for the 7705 SAR-18:
ALU-1>config>system>sync-if-timing# info
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ref-order external ref1 ref2
ql-selection
exit
bits
interface-type 2048Khz-G703
ssm-bit 8
ql-override prs
output
line-length 220
no shutdown
exit
ref1
no shutdown
no source-port
ql-override prs
exit
ref2
no shutdown
no source-port
ql-override prs
exit
no revert
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6.10.6.5 Using the Revert Command
The revert command allows the clock to revert to a higher-priority reference if the
current reference goes offline or becomes unstable. With revertive switching
enabled, the highest-priority valid timing reference will be used. If a reference with a
higher priority becomes valid, a reference switchover to that reference will be
initiated. If a failure on the current reference occurs, the next highest reference takes
over.
With non-revertive switching, the active reference will always remain selected while
it is valid, even if a higher-priority reference becomes available. If this reference
becomes invalid, a reference switchover to a valid reference with the highest priority
will be initiated. When the failed reference becomes operational, it is eligible for
selection.
CLI Syntax: config>system>sync-if-timing
revert