Even if you decide to turn off SecureSync's Auto Sync Control feature, which allows
BroadShield to disable the GNSS reference, BroadShield will still add value to your overall
system capability by telling you (a) if your GNSS receiver is being spoofed, and (b) in the
event of a signal loss due to jamming,
why
the signal is lost.
Also, if a normally strong GNSSsignal becomes weakened, BroadShield's algorithms are
capable of discerning a jamming event from natural events causing the signal to weaken.
Note: For an effective jamming detection, and – to some extent – spoofing
detection, a good antenna placement with optimal sky view resulting in a
high signal-to-noise ratio is essential. A strong signal is required to discern
between normal signal fluctuations and a non-natural divergence of signal
strength.
BroadShield Requirements
In order for BroadShield to work on your SecureSync system, the following requirements
must be met:
1.
The optional BroadShield software license needs to be enabled by applying the
OPT-BSH BroadShield license key. For more information, contact your local Spec-
tracom Sales Office. To determine if BroadShield has been activated on your
SecureSync unit, navigate to TOOLS: SYSTEM > Upgrade/Backup. The center
panel System Configuration will list the Options installed in your unit.
Activating the BroadShield License
If you have purchased the BroadShield license key and now want to activate it, please fol-
low the instructions under "Applying a License File" on page315.
To confirm that BroadShield has been activated on your SecureSync unit, navigate to
TOOLS: SYSTEM > Upgrade/Backup. The center panel System Configuration will list
the Options installed in your unit.
Enabling/Disabling the BroadShield Service
The Broadshield service can be run in two operating modes:
BroadShield only: In the event jamming or spoofing is detected, SecureSync will
emit a Major Alarm, however it will continue to consider the GNSS reference as
valid, i.e. it will NOT go out of sync.
Auto Sync Control: In the event jamming or spoofing is detected, SecureSync will
emit a Major Alarm AND it will go into Holdover mode.
To configure these settings:
1.
Navigate to MANAGEMENT > Broadshield.
2.
In the BroadShield Service panel on the left, configure the desired setting:
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CHAPTER 3 • SecureSync 2400 User Manual Rev. 2
3.3 Managing References
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