The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 28, 2003
Filed:
Apr. 18, 2000
Steven Scott Gorshe, Beaverton, OR (US);
Nec Eluminant Technologies, Inc., Herndon, VA (US);
Abstract
A system for providing 1:n protection for common processing units in a star bus architecture multiplexer or switching system and providing one redundant protection common processing unit to protect up to n working common processing units has a pair of first and second common processing slots (C) for common processing units, a plurality of tributary interface slots (T) for tributary interface units, and at least one universal slot (U) for accommodating either an additional common processing unit or a tributary interface unit. If the working on-line common processing unit of the dedicated pair fails, the protection common processing unit takes over for the failed common processing unit. If one of the additional common processing units fails, the dedicated protection common processing unit takes over, thereby providing 1:n protection regardless of where each common processing unit is located.