097-55501-02 Issue 7 – January, 2005 TimeHub 5500 TL1 Reference Guide 203
Troubleshooting
Troubleshooting with Error Messages
MEASRST Measurements
restarted.
The performance
measurements for the
specified channel have
restarted.
INIT-REG command was
sent.
Input signal discontinuity
was detected.
Normal event when INIT-REG
command is sent.
Investigate input signal quality.
NETCLOS Network
connection
closing
The Network IMC card is
closing the network
connection.
Wait for connection to close then
reestablish the network
connection.
NORESP Complete
response not
received.
The IMC card can not
communicate with the
indicated card.
Firmware failure on IMC
card.
Firmware failure on
indicated card.
IMC card is in firmware
download mode.
Hardware failure on
indicated card.
Hardware failure on
backplane.
1. Re-send the RTRV-COND
command.
2. Cancel firmware download
mode.
3. Remove and re-insert the
IMC card.
4. Remove and re-insert the
indicated card.
5. Replace the indicated
card.
SNAUTO Auto Mode
Selection
Input selection for tracking is
in Auto mode.
Parameter SELMDE is set to
AUTO.
Normal event.
SNDRIFT
Note: In
firmware
version 4328D
or later
versions, this
event has a
default severity
of MINOR.
Drift Exceeds
Limits
1
The frequency of an input
signal, as compared to the
clock oscillator, has drifted
beyond the acceptable limits.
1. Investigate the upstream
signal quality.
2. Verify that highest quality
input is active.
3. Wait 3 days for the event
to clear.
4. Remove, then insert, the
indicated Clock card.
5. If the condition does not
clear, replace the card.
SNFRCD Forced Mode
Selection
Input selection for tracking is
forced to particular input.
Parameter SELMDE is set to
FORCED.
Normal event.
Table 5-2. Message Troubleshooting (Continued)
Event Code
Error Message
Condition
Description
Meaning Action
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