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TimeProvider 500 2.0 User’s Guide
098-00172-000 Revision A – December, 2009
Chapter 5 Maintenance, Troubleshooting & Ordering
Upgrading the Firmware
If the power LEDs are not green and/or turned off, check the polarity of the wiring. If
the wiring is correct and the Power LEDs are still not lit, then the unit needs to be
returned to Symmetricom for service. The TimeProvider 500 internal fuse, F1, is a
500mA, slow blow, 125V UL Recognized surface mount fuse.
Upgrading the Firmware
You can upgrade the TimeProvider 500 firmware using CLI commands. Refer to
, on page 71 and the command
, on page 83 for details
on the upgrade process.
Alarm System Messages
provides information about the alarm messages that display in response
to an occurrence of an event or an alarm. The alarm number (
alarm_num
) is used in
the CLI commands to alter delay, enable status, or define alarm severity if desired.
Table 5-3. Alarm System Messages
Description
Alarm
Number
Default
Severity
Level
MsgText
Corrective Action
The TimeProvider 500 is in
holdover mode.
0
Major
Holdover
See
The TimeProvider 500 is in
free-run mode. This is a
normal temporary condition as
the unit powers-up, but if the
alarm persists when the unit is
expected to have PTP flow,
there may be a problem.
1
Major
Free-run
See
The TimeProvider 500 is in
bridging mode. This shows
that a condition exists which
causes TimeProvider 500 to
be unable to maintain normal
frequency lock.
2
Event
Bridging
TimeProvider 500 may
have lost PTP flow. Allow
TimeProvider 500 to
re-lock.
An FPGA problem is detected. 3
Critical
FPGA
Send TimeProvider 500
back to the factory. See
Содержание TimeProvider 500
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