Instruction manual
MERLIN LEGEND Communications System Release 5.0
Maintenance and Troubleshooting
555-650-140
Issue 1
June 1997
Control Unit Problems
Page 4-55
Module Problems
Board Controller Test
This procedure tests the module’s internal functions, such as ROM, RAM, the
timer, dual-port RAM, and so on.
Summary
Console Procedure Menu→
Maintenance→Slot→Dial the slot number.
→
Enter→Demand Test→BoardCntrlr→Test Once or
Repetitive.
PC Procedure
→ →Type the slot no.→ → → → or
Appropriate Modules This test can be run on all modules except the processor.
Time Estimate Less than 1 second
Busy-Out or Reset Busy-out or reset the module being tested prior to
beginning the test. Both Busy-Out and Reset are in the Slot
menu, which you can access by doing the following from
the console:
Menu→
Maintenance→Slot
See ‘‘Busy-Out and Reset’’, earlier in this chapter, for
additional information.
Interrupting the Test You can interrupt the test (
Test Once or Repetitive) by
selecting
Exit.
Test Failure If the test fails, record the errors on the repair tag and
replace the module.
Restore Restore the module if it successfully completes all module
tests and the errors no longer occur. Restore is in the Slot
menu, which you can access by doing the following from
the console:
Menu→
Maintenance→Slot
See the ‘‘Restore’’ procedure, earlier in this chapter, for
additional information.










