LED Label Activity/Color Description
POWER
Off Both AC, and DC input power are disconnected.
OR: The unit's AC input switch is turned OFF, and DC input is not
present.
On/solid
green
AC and/or DC Power are supplied; the unit detects all power
inputs.
Red
The unit is configured for two power inputs, but detects only one
power input. OR:Detects a power configuration error.
Green
& blinking
orange
1/sec.
Power Error — general power configuration fault.
SYNC
Red
Time Sync Alarm:
1) The unit has powered up, but has not yet achieved syn
chronization with its inputs.
2) The unit was synchronized to its selected input references, but
has since lost all available inputs (or the inputs were declared
invalid) and the Holdover period has since expired.
Solid
green
The unit has valid time and 1PPS reference inputs present and is syn
chronized to its reference.
Orange
The unit is in Holdover Mode: It was synchronized to its selected
input references, but has since lost all available inputs (or the inputs
are not declared valid).The time and frequency outputs will remain
useable until the Holdover period expires.
FAULT
Off No alarm conditions are currently active.
Blinking
orange
A GNSS antenna alarm has been asserted and is currently active.
A short or open circuit has been detected in the GNSS antenna
cable. The light will automatically turn off once the alarm condition
clears.
To troubleshoot this condition, see
"Troubleshooting via Web
UI Status Page" on page328
.
Solid
orange
A Minor Alarm condition (other than an antenna problem alarm)
has been asserted and is currently active.
To troubleshoot this condition, see
"Minor and Major Alarms"
on page325
.
Red
A Major Alarm condition has been asserted and is currently active.
To troubleshoot this condition, see
"Minor and Major Alarms"
on page325
.
1.6 NetClock 9400 Series Front Panels