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8. sUpport
8.1 status of leDs on front panel
The LEDs can provide Netsilon status information.
leD
status and
colour
Description
Check that…
Power
Off
No power supply
1) The mains (AC) power supply cable is
connected to a Netsilon connector and the
power supply switch is ON.
2) The direct current (DC) wires are
connected to the connector.
Constant green
Power supply OK
-
Red
Power supply fault
1) In the double supply version (100-240VAC
+ 18-36VDC), both power supplies are wired
correctly.
Sync.
Off
No synchronisation on input
1) The priority synchronisation input is
available (e.g. for a GPS synchronisation
source, check that Netsilon is connected to
this antenna).
Constant green
Synchronisation OK
-
Red
Synchronisation lost
Holdover function
1) The priority synchronisation input is
available (e.g. for a GPS synchronisation
source, check that Netsilon is connected to
this antenna).
2) The GPS antenna installation is
operational (where applicable).
Flashing red
Synchronisation lost
Holdover exceeded / freerun
Please note:
If Netsilon has just been
restarted, no troubleshooting is necessary.
Wait several minutes until the
synchronisation is detected.
1) The priority synchronisation input is
available (e.g. for a GPS synchronisation
source, check that Netsilon is connected to
this antenna).
2) The GPS antenna installation is
operational (where applicable).
Alarm
Off
No alarm
-
Flashing red
Critical alarm
Please note:
If Netsilon has just been
restarted, no troubleshooting is necessary.
Wait several minutes until the
synchronisation is detected.
1) When synchronisation is lost and the
holdover has expired, check that the priority
synchronisation input is available (e.g. for a
GPS synchronisation source, check that
Netsilon is connected to this antenna).
