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. 25, 2004

Filed:

May. 08, 2000
Applicant:
Inventors:

Darrell Furlong, Hollis, NH (US);

Brian Cole, Nashua, NH (US);

Gregory Carlson, Chelmsford, MA (US);

Assignee:

Metrobility Optical Systems, Inc., Merrimaok, NH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01R 3/108 ; H04J 3/16 ; H04J 3/12 ;
U.S. Cl.
CPC ...
G01R 3/108 ; H04J 3/16 ; H04J 3/12 ;
Abstract

An Ethernet, or more generally any packetized network system, remote management device and system operable via Ethernet connections according to non-Ethernet message instructions presented during the active idle signal period, e.g. during the inter-packet gap (IPG), which are separated from the Ethernet signalling before detection. A locally managed device includes a physical layer interface adapted to receive a secondary signal which is encoded to provide a corresponding signal while conforming to the active idle and minimum IPG requirements, and is received by a remote device managed according to the encoded signals provided from the local device during the IPG. Further embodiments provide multiple (serial) nesting of such remote devices along the Ethernet path, with the instructions to and data from the most distant such remote devices forwarded through intermediate remote devices according to the present invention.


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