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DEFINITY ECS Release 8.2 Maintenance for R8.2csi
555-233-119 Issue 1
April 2000
Maintenance Objects
3-1069TDM-BUS (TDM Bus)
3
If this error is logged on both TDM Buses (A and B) within two or three
minutes, the red LED of several circuit packs may or may not be lit and
there could be Switch Control errors. Under these circumstances do the
following:
■ Display the Hardware Error Log via the
display errors
command
and look for SW-CTL (Switch Control) errors.
■ If there are any errors logged against the Switch Control, try to
resolve them.
■ Test the TDM Bus via the
test tdm P
command.
■ If all the TDM Bus tests pass, the problem has been fixed.
■ Test the TDM Bus via the
test tdm P
command.
■ If all the TDM Bus tests pass, the problem has been fixed.
c. This error indicates the TDM Bus was switched to the other bus due to
TDM Bus corruption. The aux data value is not meaningful and no action is
required.
d. This error indicates that some time slots are corrupted in the specified
TDM Bus. The Minor alarm is raised when there are more than 50 bad time
slots in the bus. The aux data indicates the number of bad time slots found
by the test.
e. This error indicates that some time slots are corrupted in the specified
TDM Bus. The Warning alarm is raised when there are more than 10 bad
time slots but less than or up to 50 bad ones in the bus. The aux data
value indicates the number of bad time slots found by the test.
f. This error indicates the idle time slot test found less than 10 bad time slots
in the TDM Bus. The aux data value indicates the number of bad time slots
found by the test. There is no alarm associated with this error.
g. These errors indicate communication problems. Test the TDM Bus via the
test tdm P
command and follow the procedures according to the error
codes reported from the test.
The aux data value shows the Angel ID number for which a downlink
message was lost.
System Technician-Demanded Tests: Descriptions
and Error Codes
Always investigate tests in the order presented in the table below when
inspecting errors in the system. By clearing error codes associated with the
Control Channel Test
, for example, you may also clear errors generated from
other tests in the testing sequence.