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:
Oct. 26, 2021

Filed:

Jun. 28, 2019
Applicant:

Juniper Networks, Inc., Sunnyvale, CA (US);

Inventors:

David P. Chengson, Aptos, CA (US);

Ranjeeth Doppalapudi, San Jose, CA (US);

Assignee:

Juniper Networks, Inc., Sunnyvale, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 31/00 (2006.01); G01R 31/08 (2020.01);
U.S. Cl.
CPC ...
G01R 31/088 (2013.01);
Abstract

Techniques are described for a method for detecting a fault. The method includes receiving, by a receiving electronic device, via a differential pair transmission line, from a transmitting electronic device, an electrical signal. The method further includes converting, by a receiving (Rx) serializer/deserializer (SerDes) operating at the receiving electronic device, the received electrical signal into a received digital electrical signal. The method further includes, determining, by one or more processors, an electrical signature of the received electrical signal from the received digital electrical signal when the received electrical signal is received by the receiving electronic device. The method further includes determining, by the one or more processors, based on the electrical signature, a position of a fault between the receiving electronic device and the transmitting electronic device. The fault causes the received electrical signal to be different than the transmitted electrical signal.


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