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:
Sep. 15, 2020
Filed:
Feb. 08, 2019
Applicant:
Ciena Corporation, Hanover, MD (US);
Inventors:
Paul Chedore, Ottawa, CA;
Jean-Luc Archambault, Ottawa, CA;
Assignee:
Ciena Corporation, Hanover, MD (US);
Primary Examiner:
Int. Cl.
CPC ...
H04Q 11/00 (2006.01); H04B 10/071 (2013.01); G01M 11/00 (2006.01);
U.S. Cl.
CPC ...
H04B 10/071 (2013.01); G01M 11/3109 (2013.01); H04Q 11/00 (2013.01); H04Q 11/0001 (2013.01); H04Q 11/0005 (2013.01); H04Q 11/0062 (2013.01); H04Q 2011/0015 (2013.01); H04Q 2011/0083 (2013.01);
Abstract
An optical trunk switch supporting an Optical Time-Domain Reflectometer (OTDR) includes a transmit switch configured to provide an input signal to one or more of a primary fiber path and a standby fiber path; a receive switch configured to provide an output signal from one of the primary fiber path and the standby fiber path; and an OTDR port configured to interface OTDR signals to monitor the standby fiber path.