Knowledge based field replaceable unit management

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379 2, 379 10, 371 201, 371 291, H04M 308, H04M 322, G06F 1100

Patent

active

052935566

ABSTRACT:
This failure management system architecture guides, detects, validates and logs field replaceable unit (FRU) changes. This system includes a guided capability by which service personnel use the guided process to select candidates for FRU swaps or FRU replacement. FRU change and swap detection is described as a function of FRU memory scanning coupled with embedded database query activity. For swap activity virtual Composite Failure Events are created to manage post-swap failures. Validation logic determines whether the changed FRU is positioned correctly, is at the correct hardware, software and feature level, executes diagnostics correctly and performs flawlessly during monitored and extended functional operation.

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Robert Dietsch and Nils Pierre, "Stored Program Controlled PABX, ASB900", Ericsson Review No. 2 (1979) vol. 56, pp. 64-71.
Bo Ryabeck and Anders Sundblad, "Centralized Supervision and Fault Location by Computer", Tele 1(1973) (Engl. Ed. Sweden) vol. 25, pp. 23-33.

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