Web UI Page loc-
ation
Current Status Indication Troubleshooting
MANAGEMENT/
NETWORK page
Cannot login or access
the Web UI.
The following
error message
is displayed:
“Forbidden
You don’t have
permission to
access/ on this
server”
This message is displayed when any
value has been added to the Net-
work Access Rules table and your
PC is not listed in the table as an
Allow From IP address. To restore
access to the WebUI, either
1. Login from a PC that is listed as an
Allow From in this table; or
2. If it is unknown what PCs have
been listed in the Access table, per-
form an
unrestrict
command
to remove all entries from the Net-
work Access Rules table. This will
allow all PCs to be able to access the
WebUI.
5.1.5 Troubleshooting GNSS Reception
If SecureSync reports GPS, Holdover, and/or Time Sync Alarms caused by insufficient
GNSS reception:
When a GNSS receiver is installed in SecureSync, a GNSS antenna can be connected to
the rear panel antenna connector via a coax cable to allow it to track several satellites in
order for GNSS to be an available input reference. Many factors can prevent the ability for
the GNSS receiver to be able to track the minimum number of satellites.
With the GNSS antenna installed outdoors, with a good view of the sky (the view of the sky
is not being blocked by obstructions), SecureSync will typically track between 5-10 satel-
lites (the maximum possible is 12 satellites). If the antenna’s view of the sky is hindered, or if
there is a problem with the GNSS antenna installation, the GNSS receiver may only be able
to a few satellites or may not be able to track any satellites at all.
When GNSS is a configured time or 1PPS input reference, if the GNSS receiver is unable
to continuously track at least four satellites (until the initial GNSS survey has been com-
pleted) or at least one satellite thereafter, the GNSS signal will not be considered valid. If
no other inputs are enabled and available, SecureSync may not initially be able to go into
time sync. Or, if GNSS reception is subsequently lost after initially achieving time sync,
SecureSync will go into the Holdover mode. If GNSS reception is not restored before the
Holdover period expires (and no other input references become available) SecureSync will
go out of sync. The GNSS reception issue needs to be troubleshot in order to regain time
sync.
SecureSync 2400 User Manual 329
APPENDIX
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