5.1
Troubleshooting
The front panel LEDs and the Web UI provide NetClock status information that can be used to
help troubleshoot failure symptoms that may occur.
5.1.1
Troubleshooting Using the Status LEDs
The front panel Status LEDs can provide “local” status information about NetClock. Observe the
front panel Status LEDs and use the table below to find the recommended troubleshooting steps
or procedure for the observed condition.
LED
Current
Status
Indication
Troubleshooting
Power
LED is
blank
(not lit).
NetClock has no AC and/or DC
input power applied.
1) Verify AC power is connected to an AC source
and AC power switch is ON.
2) Verify DC power (within the correct voltage
range, as stated on the DC connector) is applied
to the DC power connector.
3) See
"Unpacking and Inventory" on
page 29
Sync
LED is
off
No valid Reference inputs avail
able since power-up.
1) Make sure the Input Reference Priority table has
the desired inputs enabled, based on desired pri
ority.
2) Make sure the desired input references are con
nected to the correct port of NetClock.
3) See
"Configuring Input Reference Pri
orities" on page 163
Sync
LED is
orange
Holdover mode: All available
inputs have been lost.
1) Make sure the Input Reference Priority table still
has the desired inputs enabled, based on desired
priority. See
"Configuring Input Reference Pri
orities" on page 163
.
2) Make sure desired input references are still con
nected to the correct port of NetClock.
4) Verify GNSS antenna installation (if applic
able).
See
"Troubleshooting GNSS Reception" on
page 330
.
324
NetClock User Reference Guide
APPENDIX
Содержание NetClock 9400 Series
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