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:
Apr. 04, 2023
Filed:
Jun. 19, 2019
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Nippon Telegraph and Telephone Corporation, Tokyo, JP;
Abstract
An optical transmission system () includes a plurality of transmission devices such as transponders (TPs) and optical cross-connects (OXCs) installed in each of stations (-) connected via a communication network, a control device (), and a substitute OXC () serving as a substitute transmission device. The control deviceis installed in a control station () of the stations. The control device () controls the transmission devices of the stations (-) in a centralized manner in accordance with physical network (NW) configuration information (D) stored in a DB () and including config information. When a transmission device is replaced with a new OXC () serving as a new transmission device, the substitute OXC () operates as a substitute for the new OXC () to communicate with the control device () until config setting necessary for the new OXC () is completed.