Orolia Spectracom EC20S - Source Change Sequence Detail

EPSILON CLOCK MODEL EC20S Spectracom
User’s Manual 34
10.3.3 SOURCE CHANGE SEQUEN CE DETAIL
Following diagrams show the status of the EC20S product upon switching of synchronization source (in
brackets, the references of the status definitions):
T
gnssLoss
GNSS Source Loss Time
Latency upon loss of the GNSS synchronization source: 120
seconds
Locked on the GNSS source
On
On
On
OK
External
1PPS/NMEA
Ref
Locked
Tracking Search
Locked on the External 1PPS/NMEA source
T
gnssLoss
Phase or
Frequency
Accuracy [12]
and [13]
Mute mode
is ‘Disabled’
[72] and [73]
Mute mode is
‘Automatic’
[72] and [73]
POWER
GNSS Lock
[14]
SFN Status
[4]
Tracking
Status [7]
Alarm (Searching for satellites)
OK (the GNSS
source is Locked)