Symmetricom TimeSource 3100 User Manual page 168

Chapter 5 Troubleshooting
Troubleshooting with Error Messages
Table 5-2. Message Troubleshooting (Continued)
Message
CRITICAL ACO
EVENT
DOWNLOAD FAILED
DOWNLOAD IN
PROGRESS
DOWNLOAD
SUCCESSFUL
1
GPS ERROR
MAJOR ACO EVENT
MINOR ACO EVENT
POWER UP
RESTART
a
RO x ERROR
RO x LOSS OF
1
SIGNAL
ESCIU x LOSS OF
1
SIGNAL
ESCIU x SLIP
SETTLING PERIOD
SOFTWARE
DOWNLOADING ON
LINK
1
SPAN x AIS
168 TimeSource 3100 User's Guide
Meaning
The ACO push button has been
pressed to deactivate a critical
audible alarm.
The software download has failed.
Software is being downloaded.
The software has been downloaded
successfully.
The GPS receiver is reporting an
error.
The ACO push button has been
pressed to deactivate a major
audible alarm.
The ACO push button has been
pressed to deactivate a minor
audible alarm.
The system processor has just
started up.
An error has been detected on the
specified remote oscillator input
signal.
The specified remote oscillator input
signal has been lost.
The signal on the specified ESCIU
port has been lost.
The specified ESCIU port has a
frame slip.
The system is between the power-
up state and steady-state operation,
and may be outputting slightly
degraded signals.
Software is being downloaded at
specified communication port.
An AIS has been received on the
specified input span.
Recommended Action
None required.
Retry the software download.
Wait until the download has been
completed.
None required.
None required.
None required.
None required.
None required.
Troubleshoot the specified remote
oscillator input (check the signal
frequency). Verify the input
frequency matches the equipment
configuration.
Troubleshoot the specified remote
oscillator input (check the cable,
connections, source).
Troubleshoot the traffic-carrying span
input signal source, ESCIU port
cable, and ESCIU port connections.
Troubleshoot the traffic-carrying
span input signal source.
None required.
None required.
Troubleshoot the specified input
span (check the source).
097-72020-01 Revision K – December 2005