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Spectracom SecureSync User Manual

Spectracom SecureSync
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In the Time field, select “Local System”.
In the PPS field, select “GPS”.
Check the Enabled checkbox.
2.
Confirm that the first reference in the Reference Priority table has Local System as the
Time input and "GNSS" as the 1PPS input.
3.
After a power cycle or reboot, as soon as GNSS is declared valid, the System Time will
automatically be used as-is, with no manual intervention required.
3.3.2 Reference Qualification and Validation
3.3.2.1 Reference Monitoring: Phase
The quality of input references can be assessed by comparing their phase offsets against the
current system reference, and against each other. This is called Reference Monitoring.
Reference Monitoring helps to understand and predict system behavior, and is an interference
mitigation tool. It can also be used to manually re-organize reference priorities e.g., by assign-
ing a lower reference priority to a noisy reference or a reference with a significant phase off-
set, or to automatically failover to a different reference if certain quality thresholds are no
longer met (see "Smart Reference Monitoring" on the facing page).
SecureSync allows Reference Monitoring by comparing the phase data of references against
the System Ontime Point. The phase values shown are the filtered phase differences between
each input reference 1PPS, and the internal disciplined 1PPS.
The data is plotted in a graph in real-time. The plot also allows you to display historic data,
zoom in on any data range or on a specific reference. A data set can be exported, or deleted.
To monitor the quality of references:
Navigate to TOOLS > SYSTEM: Reference Monitor. The Reference Monitor screen will dis-
play:
172
CHAPTER 3 SecureSync User Reference Guide Rev. 26
3.3 Managing References

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Spectracom SecureSync Specifications

General IconGeneral
ModelSecureSync
Time ReferenceGPS, GLONASS, BeiDou, Galileo, IRIG, NTP, PTP, 1PPS
DisciplinesGNSS, IRIG, PTP, NTP, SyncE
InputsGPS, GLONASS, BeiDou, Galileo, IRIG, NTP, PTP, 1PPS
OutputsNTP, PTP, 1PPS, IRIG
ProtocolsPTP, NTP, SNMP, SSH, HTTPS
Form Factor1U Rack-mount
RedundancyOptional redundant power supply
Security FeaturesPassword protection, access control lists, SSH, HTTPS, SNMPv3, NTP authentication, PTP authentication
Power Supply100-240 VAC, 50-60 Hz
Operating Temperature0°C to +50°C
Dimensions44.45 mm (H) x 482.6 mm (W)

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