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Chapter 3. Configuration
3-32 MX2800 STS-1 User Manual 61200659L1-1
System Timing
Clock Status there is a change in clock status. The clock
status can be any of the following values:
N
ORMAL
– clock synchronization is
operating normally.
R
ECOVERING
– clock synchronization is in
the process of recovering from a fault.
L
OSS
OF
S
OURCE
– the reference clock
source has become invalid
O
UT
OF
R
ANGE
– the clock synchronization
circuit is unable to track the reference
source.
O
UT
OF
L
OCK
– the clock synchronization
circuit is unable to lock to the reference
source.
Clock Source
Change
there is a Clock Source Change event
indicating that the unit has switched clock
sources. The values for the clock source
change alarm are:
Loop
PRI Ext
SEC Ext
Free-run
Holdover
PRI EXT Clock
Status
a failure condition is encountered on either the
PRImary or SECondary clock sources (if
configured). The possible values for this alarm
are:
D
ISABLED
N
ORMAL
A
VAILABLE
LOS/AIS
F
AIL
U
NAVAILABLE
Trap If enabled, the unit issues a trap when...