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SER-BUS (Serial communication bus)
Issue 1 June 2005 1967
FAIL
(
cont’d)
3. If list configuration power-supply C does show a power
supply, extend the TDM/LAN/Serial Bus to another carrier, and repeat
the procedure in the previous step. When a carrier that causes the fault
to recur is added, perform Procedure 1 for only the circuit packs in that
carrier.
4. If list configuration power-supply C fails to show any
power supplies, and Procedures 1 and 2 have not resolved the
problem, the added carrier(s) are defective and must be replaced.
End of repair procedures
5. If the Serial Bus repair procedures were unsuccessful, replace the
TN2312BP IPSI circuit pack.
6. If all else fails, and there is only one power supply in the system,
replace the power supply.
PASS At least one power supply responded to a status query from the TN2312BP
IPSI.
Table 720: Test 1531 Serial bus status (continued)
Error
code
Test
result
Description and recommendation
5 of 5