Avaya Definity SI, Maintenance Manual, Page: 2366 / 2968

Maintenance Object Repair Procedures
555-233-123 10-1580 Issue 4 May 2002
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2051 ABORT Refer to STBY-SPE for a description of these error codes
0 FAIL The Switch Control cannot communicate on the TDM Bus
control channel. The customer probably cannot make or
receive calls.
1. Run the Short Test Sequence several times to make sure
this failure is occurring consistently, run the Long Test
Sequence to reset the Switch Control. Sometimes,
running the Long Test Sequence may clear the problem.
Remember that the Long Test Sequence is destructive.
Placing and receiving calls is affected for several
seconds.
2. If there are no TDM Bus alarms against the Standby TDM
Bus, switch the control channel from its current bus to the
Standby bus. If this test passes on the new bus,
investigate the possibility of TDM Bus failures. If the test
fails even after the control channel is switched to the
standby TDM Bus, proceed to Step 3 3 or 4.
3. If the system is still able to process calls, replace the
NetPkt or Netcon circuit pack at the customer’s
convenience (Standard system) or right away (High or
Critical Reliability system).
4. If calls cannot be made, replace the NetPkt or Netcon
circuit pack immediately.
PASS The Switch Control can communicate with the port circuit
packs over the TDM Bus.
Table 10-584. TEST #94 Control Channel Transmission Test — Continued
Error
Code Test
Result Description/Recommendation
Continued on next page