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:
Aug. 19, 2025
Filed:
Oct. 12, 2022
Cisco Technology, Inc., San Jose, CA (US);
Joel Richard Goergen, Soulsbyville, CA (US);
Chad M. Jones, Doylestown, OH (US);
Douglas Paul Arduini, San Ramon, CA (US);
Richard Anthony O'brien, Livermore, CA (US);
Daniel Lee Barsotti, Sacramento, CA (US);
Sung Kee Baek, San Ramon, CA (US);
CISCO TECHNOLOGY, INC., San Jose, CA (US);
Abstract
In one embodiment, a method includes receiving at a remote network device, power and data from a central network device, wherein the power is used to power the remote network device, performing auto-negotiation with the central network device, wherein the auto-negotiation includes operating the remote network device in a low voltage mode during fault sensing of a power circuit at the remote network device, and selecting a power operating mode, wherein selecting the power operating mode includes selecting a high voltage mode if no fault is detected during the fault sensing, the high voltage mode comprising DC (direct current) pulse power. An apparatus is also disclosed herein.