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Communication Manager Maintenance-Object Repair Procedures
2248 Maintenance Procedures for Avaya Communication Manager 3.0, Media Gateways and Servers
c. Error Type 357: 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. Look for
other TDM-BUS errors to determine the cause of this error.
d. Error Type 513: 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. Error Type 769: 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. Error Type 769: 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. Error Type 1025: the daily TDM bus switch was not successful. The active Expansion
Interface (PN) cannot talk on the bus that software was trying to switch into. There is no
alarm associated with this error.
h. Error Type 3872, 3873, 3874, and 3877: these errors indicate communication problems
which may be causing message loss. TDM bus maintenance may switch the Control
Channel bus and/or Tone bus to the other bus. Test the TDM bus using test tdm P 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
Investigate tests in the order presented below. Clearing Error Codes associated with the one
test may also clear errors generated from other tests in the sequence.
Order of Investigation Short Test
Sequence
Long Test
Sequence
D/
ND
1
1. D = Destructive; ND = Nondestructive
Control Channel test on the Control Channel Bus (#296) X X ND
Digit Detection test on the Non-Control Channel Bus (#297) X X ND
Idle Time Slot test (#294) X X ND