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:
May. 03, 2016

Filed:

Oct. 15, 2012
Applicant:

Telefonaktiebolaget L M Ericsson (Publ), Stockholm, SE;

Inventors:

Stefan Dahlfort, Santa Clara, CA (US);

Ming Xia, Milpitas, CA (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04J 14/00 (2006.01); H04J 14/02 (2006.01);
U.S. Cl.
CPC ...
H04J 14/0204 (2013.01); H04J 14/0205 (2013.01); H04J 14/0212 (2013.01);
Abstract

The present invention relates to a node of an optical network, methods and service edge hub devices attachable to an optical network carrying data traffic comprising data information on a number of optical wavelength channels in one or more optical fibers. said hub device comprising one or more optical ports connectable to one or more service equipment arrangements for digital processing the received data information, the hub comprising a wavelength switching means configured to connect each channel to the ports, wherein the wavelength switching means comprises an optical splitter arrangement for spreading and directing the channels to the different ports, in one direction, and network ports, in the other direction.


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