097-72020-01 Revision K – December 2005 TimeSource 3100 User’s Guide 161
Chapter 5 Troubleshooting
Troubleshooting with Front Panel Items
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Table 5-1. Front Panel Items
Name Lamp Description Action
Span A or
Span B
Off This input has not been entered
via the Enter Equipment
command.
None required. If desired, enter
this input via the Enter
Equipment command.
Green This input has been entered via
the Enter Equipment command,
and qualified as a valid reference.
None required.
Yellow An event (timing error, loss of
signal, alarm indication signal
[AIS], SSM enabled and not PRS
quality) has occurred on this
input.
Check the span input signal,
source, cable, and connections.
Red An event (timing error, loss of
signal, AIS, SSM enabled and not
PRS quality), which has existed
on this input user alarm setting,
has escalated to a minor alarm.
Check the span input signal,
source, cable, and connections.
Remote
Oscillator A
or
Remote
Oscillator B
Off This input has not been entered
via the Enter Equipment
command.
None required. If desired, enter
this input via the Enter
Equipment command.
Green This input has been entered via
the Enter Equipment command,
and qualified as a valid reference.
None required.
Yellow An event (timing error or loss of
signal) has occurred on this input.
Check the remote oscillator input
signal, source, cable, and
connections. Verify the input
frequency matches the equipment
configuration.
Red An event (timing error or loss of
signal), which has existed on this
user alarm setting, has escalated
to a minor alarm.
Check the remote oscillator input
signal, source, cable, and
connections. Verify the input
frequency matches the equipment
configuration.