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. 23, 2001
Filed:
Apr. 24, 1998
Applicant:
Inventors:
Raymond Bruce Wallace, Kanata, CA;
Alexandra Michelle Dopplinger, Ottawa, CA;
David Longbottom, Ottawa, CA;
Assignee:
Nortel Networks Limited, Montreal, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04J 3/16 ;
U.S. Cl.
CPC ...
H04J 3/16 ;
Abstract
A switching module provides connection of a processor to a redundant local area network. Redundant access units switch control selects the access unit used by the processor based on the status of each local area network. In particular, two 10BaseT Ethernet LANs are monitored by scanning for respective link beats or data.