Control processor switchover for a telecommunications switch

Details Control processor switchover for a telecommunications switch Control processor switchover for a telecommunications switch

1997-08-28

1999-09-14

Pham, Chi H.

Multiplex communications

Fault recovery

Bypass an inoperative switch or inoperative element of a...

370400, G06F 1300

Patent

active

059533145

ABSTRACT:
First and second control processor cards are employed in conjunction with first and second switch fabric cards to interconnect Input/Output cards in a telecommunications switch. The control processor cards provide a portion of the functionality previously associated with switch fabric cards, such as exertion of control over allocation of bandwidth within the switch. The control processor cards also provide new functionality. In particular, each control processor card can configure both switch fabric cards. Redundant control processor cards and redundant switch fabric cards are employed to provide a switch that is less susceptible to failure than switches with only redundant switch fabric cards. Hence, failure of a control processor card and a switch fabric card can be sustained without resulting in switch failure. Timing control functions may also be provided by a separate timing module card.

REFERENCES:
patent: 5422880 (1995-06-01), Heitkamp et al.
patent: 5729685 (1998-03-01), Chatwani et al.

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