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DEFINITY Enterprise Communications Server Release 5
Maintenance and Test for R5vs/si
555-230-123
Issue 1
April 1997
Maintenance Object Repair Procedures
Page 10-1233SHDW-CIR (Common Shadow Circuit)
10
FAIL The tested Common Shadow Circuit is experiencing time-outs while trying
to write to the Memory circuit pack over the M-BUS.
1. Verify that there are the same number of PI (Processor Interface)
circuit packs in each carrier.
2. Verify that there are the same number of PKT-CTRL (Packet Control)
circuit packs in each carrier.
3. Resolve all other DUPINT (Duplication Interface Circuit Pack),
SHDW-CIR (Common Shadow Circuit), and PR-MAINT
(Maintenance/Tape Processor) alarms before addressing this
problem.
4. Rerun the test. If the test still fails, then the Memory circuit pack on
the tested carrier is defective or the M-BUS is defective on the
Standby carrier. Refer to the "Repair Procedures for High and Critical
Reliability" section in Chapter 6, ‘‘
Reliability Systems: A Maintenance
Aid’’ and replace the Memory circuit pack.
5. Rerun the test.
6. Test the Standby SPE with the test standby-pe short command, and
address all Duplication Interface circuit pack, Common Shadow
Circuit, and Maintenance/Tape Processor tests that do not pass.
NO
BOARD
The Duplication Interface circuit pack has failed to handshake with either
the active Maintenance/Tape Processor (in the case of Duplication
Interface circuit pack A) or the Duplication Interface circuit pack A (in the
case of Duplication Interface circuit pack B).
1. Refer to NO BOARD for a description of the Duplication Interface
Circuit Pack Status Query Test (#315) in DUPINT Maintenance
documentation.
PASS Part of the Common Shadow Circuit is operating properly. However, Tests
#283 and #284 must pass before the Common Shadow Circuit on this
Duplication Interface circuit pack is considered sane.
Table 10-386. TEST #285 Common Shadow Circuit M-BUS
Time-Out Query Test — Continued
Error Code
Test
Result Description/ Recommendation
Continued on next page