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:
Feb. 22, 2022
Filed:
Aug. 14, 2020
Ciena Corporation, Hanover, MD (US);
Paul Chedore, Ottawa, CA;
Jean-Luc Archambault, Ottawa, CA;
Ciena Corporation, Hanover, MD (US);
Abstract
An optical trunk switch is configured to support an OTDR. The system includes a transmit switch having two inputs and outputs, the first input is configured to connect to a signal input, the second input is configured to receive a OTDR signal, the first output is configured to connect to one of a primary fiber and a standby fiber, and the second output is configured to connect to the other fiber. The system further includes a receive switch having two inputs and outputs, the first input is configured to connect to one of the primary fiber and the standby fiber, the second input is configured to connect to the other fiber, the first output is configured to connect to a signal output, and the second output is configured to connect to a OTDR signal; and one or more OTDR ports.