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.

Date of Patent:
Nov. 14, 2000

Filed:

Nov. 07, 1997
Applicant:
Inventors:

Brian Holden, Sunnyvale, CA (US);

Mitri Halabi, San Jose, CA (US);

Darren Braun, Fremont, CA (US);

Assignees:

PMC-Sierra (Maryland), Inc., Burnaby, CA;

3Com Corporation, Santa Clara, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L / ; H04L / ;
U.S. Cl.
CPC ...
370395 ; 370359 ; 370419 ;
Abstract

An UTOPIA level 2 interface over a backplane for connecting up to 31 Physical layer devices to one ATM layer device in a logically partitioned manner utilizing full bandwidth. The communications data is received on a first terminal at a first transfer rate. The communications data transfer rate is reduced from the first transfer rate to a second transfer rate. At the second transfer rate, the communications data is transferred over a backplane to a second terminal. On the second terminal, communications data transfer rate is increased from the second transfer rate to the first transfer rate. The first transfer rate is greater than the second transfer rate.


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