Maintenance-Object Repair Procedures
555-233-143
8-1602
Issue 1 May 2002
Control Channel Test (#296)
This tests the integrity of the Control Channel bus by ensuring that communication
through the TDM bus is operational. The test attempts to query a circuit pack
whose presence is required in each port network for proper operation (Tone-Clock
or Tone Detector). If a reply from the queried circuit pack is received, the TDM
bus is considered operational and the test passes. If no reply is received, the Bus
is not operational and the test fails.
Table 8-621.
Test #296 Control Channel Test
Error
Code
Test
Result
Description / Recommendation
Any
other
than
1005
ABORT
Internal system error.
1. Retry the command at 1-minute intervals up to 3 times.
1005
ABORT
Since this test is valid only on the control channel bus, it aborts execution when
run on the non-control channel bus. This is a valid response. Use the status
port-network command to verify which bus is the control channel bus.
None
FAIL
Communication through the Control Channel is not working. The problem is
not necessarily the TDM bus itself.
1. Display the hardware error and alarm log for the Tone-Clock circuit and for
the Tone Detector circuit in the port network where the faulted TDM bus
resides. See
‘‘TONE-BD (Tone-Clock Circuit)’’
‘‘GPTD-PT (General-Purpose Tone Detector Port)’’
, and
‘‘DTMR-PT (Dual-Tone Multifrequency Receiver Port)’’
2. Resolve the errors and alarms for the Tone-Clock and Tone Detector
circuits.
3. If the faulted TDM bus is on an EPN, display the hardware error and alarm
log and look for errors and alarms for the active Expansion Interface circuit
pack. See
‘‘EXP-INTF (Expansion Interface Circuit Pack)’’ on page 8-762
and resolve its errors.
4. Execute the test tdm P command again.
5. If the test still fails, see
‘‘TDM-Bus Fault Detection and Isolation’’
PASS
Communication through the control channel bus is operational.
Continued on next page
Summary of Contents for S8700 Series
Page 50: ...Maintenance Architecture 555 233 143 1 26 Issue 1 May 2002 ...
Page 74: ...Initialization and Recovery 555 233 143 3 12 Issue 1 May 2002 ...
Page 186: ...Alarms Errors and Troubleshooting 555 233 143 4 112 Issue 1 May 2002 ...
Page 232: ...Additional Maintenance Procedures 555 233 143 5 46 Issue 1 May 2002 ...
Page 635: ...status psa Issue 1 May 2002 7 379 555 233 143 status psa See status tti on page 7 406 ...
Page 722: ...Maintenance Commands 555 233 143 7 466 Issue 1 May 2002 ...