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Communication Manager Maintenance-Object Repair Procedures
2250 Maintenance Procedures for Avaya Communication Manager 3.0, Media Gateways and Servers
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 803: Test #296 Control Channel Test
Error
Code
Test
Result
Description / Recommendation
Any
other
than
1005
ABRT Internal system error.
1. Retry the command at 1-minute intervals up to 3 times.
1005 ABRT 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
status port-network 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)
on page 2327,
TONE-PT (Tone Generator)
on page 2353, GPTD-PT
(General-Purpose Tone Detector Port) on page 1308, and DTMR-PT
(Dual-Tone Multifrequency Receiver Port) on page 1115.
2. Resolve the errors and alarms for the Tone-Clock and Tone Detector
circuits.
3. 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 1176 and resolve its errors.
4. Execute test tdm P command.
5. If the test still fails, see TDM-Bus Fault Detection and Isolation
on
page 2238.
PASS Communication through the control channel bus is operational.