公开(公告)号：US20210263545A1

公开(公告)日：2021-08-26

申请号：US17035527

申请日：2020-09-28

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Joel Richard Goergen ,  Chad M. Jones ,  Emanuele Umberto Giacometti

IPC: G05F1/577 ,  G06F21/44

Abstract: In one or more embodiments, a T-adapter includes an input for receiving power and data on a wire pair, a first output for transmitting the power and data to a first load, a second output for transmitting the power and data to a second load, and a controller operable to detect and authenticate the first load at the first output or the second load at the second output and enable power at the first output or the second output in response to load detection and authentication.

公开(公告)号：US20210167814A1

公开(公告)日：2021-06-03

申请号：US17171785

申请日：2021-02-09

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Douglas Paul Arduini ,  Sung Kee Baek ,  Richard Anthony O'Brien ,  Joel Richard Goergen ,  Chad M. Jones ,  Jason DeWayne Potterf ,  Ruqi Li

IPC: H04B3/54 ,  G01R31/08 ,  H04L12/10 ,  G05B9/02 ,  H02J13/00 ,  G06F1/30 ,  G01R31/50

Abstract: In one embodiment, a method includes identifying at a first powered device in communication with power sourcing equipment, a second powered device in communication with the first powered device, wherein the first powered device is receiving high voltage pulse power from the power sourcing equipment, notifying the power sourcing equipment of the second powered device at the first powered device, and performing a low voltage power initialization at the first powered device with the second powered device before passing the high voltage pulse power to the second powered device.

公开(公告)号：US20210135890A1

公开(公告)日：2021-05-06

申请号：US16671508

申请日：2019-11-01

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Douglas Paul Arduini ,  Sung Kee Baek ,  Richard Anthony O'Brien ,  Joel Richard Goergen ,  Chad M. Jones ,  Jason DeWayne Potterf ,  Ruqi Li

IPC: H04L12/10 ,  H02J13/00 ,  G05B9/02 ,  G01R31/08 ,  G01R31/02

Abstract: In one embodiment, a method includes transmitting from power sourcing equipment, low voltage pulse power to a powered device in a communications network, performing a safety test, enabling high voltage pulse power operation at the power sourcing equipment upon passing the safety test, and transmitting high voltage pulse power from the power sourcing equipment to the powered device. The powered device synchronizes with a waveform of the low voltage pulse power.

公开(公告)号：US10912218B1

公开(公告)日：2021-02-02

申请号：US16571588

申请日：2019-09-16

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Mehmet Onder Cap ,  Marc Henry Mantelli ,  Giridharan Rajagopalan ,  M. Baris Dogruoz ,  Robert Gregory Twiss ,  Joel Richard Goergen

IPC: H05K5/03 ,  H05K7/14 ,  H05K5/02 ,  H01R13/453 ,  H01R12/71 ,  H01R12/70 ,  H01R13/52 ,  H01R13/447

Abstract: In one embodiment, an apparatus includes a cover configured for installation over a connector mounted on a printed circuit board and operable to couple a module to the printed circuit board, the cover comprises a lower surface for contact with the printed circuit board and a slot for receiving the module for attachment of the module to the connector. The cover encloses contacts at the connector for mating with the module and the printed circuit board to prevent corrosion of the contacts.

公开(公告)号：US20200328819A1

公开(公告)日：2020-10-15

申请号：US16913792

申请日：2020-06-26

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Joel Richard Goergen ,  Chad M. Jones ,  Douglas Paul Arduini ,  Richard Anthony O'Brien ,  Daniel Lee Barsotti ,  Sung Kee Baek

IPC: H04B10/80 ,  H02H1/00 ,  H02J1/00 ,  H04B10/077 ,  H04B10/07

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.

公开(公告)号：US20200305306A1

公开(公告)日：2020-09-24

申请号：US16360956

申请日：2019-03-21

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Paolo Sironi ,  Emanuele Umberto Giacometti ,  Rohit Dev Gupta ,  Joel Richard Goergen

IPC: H05K7/20 ,  G05B19/05

Abstract: In one embodiment, a method includes detecting reverse rotation of a fan inserted into a modular electronic system comprising at least one other fan, wherein the reverse rotation of the fan is caused by a back pressure generated by the other fan rotating in a forward direction, applying current pulses to stop reverse rotation of the inserted fan and start rotation of the fan in a forward direction, and operating all of the fans with rotation in the forward direction.

公开(公告)号：US20200296856A1

公开(公告)日：2020-09-17

申请号：US16354082

申请日：2019-03-14

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Charles Calvin Byers ,  Gonzalo Salgueiro ,  M. David Hanes ,  Joel Richard Goergen ,  Joseph Michael Clarke

IPC: H05K7/14 ,  G02B6/44 ,  H05K7/20

Abstract: In one embodiment, a system includes a central hub comprising a power source, a data switch, a coolant system, and a management module, a plurality of network devices located within an interconnect domain of the central hub, and at least one combined cable connecting the central hub to the network devices and comprising a power conductor, a data link, a coolant tube, and a management communications link contained within an outer cable jacket.

公开(公告)号：US20200295955A1

公开(公告)日：2020-09-17

申请号：US16380954

申请日：2019-04-10

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Richard Anthony O'Brien ,  Douglas Paul Arduini ,  Sung Kee Baek ,  Ruqi Li ,  Joel Richard Goergen

IPC: H04L12/10 ,  H04L12/24 ,  G01R31/08

Abstract: In one embodiment, an apparatus comprises an input power interface for receiving input power, a power control system for transmitting DC (Direct Current) pulse power on multiple phases over a cable to a plurality of powered devices and verifying cable operation during an off-time of pulses in the DC pulse power, and a cable interface for delivery of the DC pulse power on the multiple phases and data over the cable to the powered devices. A method for transmitting multiple phase pulse power is also disclosed herein.

公开(公告)号：US20200263977A1

公开(公告)日：2020-08-20

申请号：US16868423

申请日：2020-05-06

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Amendra Koul ,  Yaochao Yang ,  Mike Sapozhnikov ,  Joel Richard Goergen ,  Kartheek Nalla

IPC: G01B11/24 ,  H05K3/00 ,  G01B11/26 ,  G01N21/956

Abstract: In one embodiment, a method includes inspecting a layer of a printed circuit board through an inspection window comprising an opening formed in one or more other layers of the printed circuit board and identifying a location of a trace aligned with the inspection window, relative to a marker in a fiber bundle of a fiber weave to assess fiber weave skew.

公开(公告)号：US10732688B2

公开(公告)日：2020-08-04

申请号：US16040745

申请日：2018-07-20

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Joel Richard Goergen ,  Chad M. Jones ,  Dylan T. Walker

IPC: G06F1/00 ,  G06F1/26 ,  H04L12/40 ,  H04L12/10

Abstract: In one embodiment, a method includes grouping a plurality of ports at power sourcing equipment in a Power over Ethernet (PoE) system, the ports receiving power from at least one power supply, and transmitting power from the group of ports at the power sourcing equipment to a plurality of ports at a power interface module. The power transmitted at each of the ports is at least 100 watts and the power interface module is operable to combine the power received at the ports and provide an AC outlet. An apparatus and system are also disclosed herein.