公开(公告)号：US12061506B2

公开(公告)日：2024-08-13

申请号：US18175668

申请日：2023-02-28

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Chad M. Jones ,  Joel Richard Goergen ,  George Allan Zimmerman

IPC: H03M13/00 ,  G06F1/26 ,  H03M13/15 ,  H04L1/00 ,  H04L12/10

CPC classification number: G06F1/266 ,  H03M13/154 ,  H04L1/0057 ,  H04L12/10

Abstract: In one embodiment, a method includes applying Forward Error Correction (FEC) to data at power sourcing equipment, transmitting the data and pulse power over a wire pair to a powered device, identifying data transmitted during power transitions between a pulse power on time and a pulse power off time in the pulse power at the powered device, and applying FEC decoding to at least a portion of the data based on said identified power transitions.

公开(公告)号：US12019108B2

公开(公告)日：2024-06-25

申请号：US17445999

申请日：2021-08-26

Applicant: Cisco Technology, Inc.

Inventor： Madhuri Chandrashekharaiah ,  Rohit Dev Gupta ,  Paolo Sironi ,  Joel R. Goergen ,  Chad M. Jones ,  Jason D. Potterf

IPC: G01R27/20 ,  G01R31/56 ,  H01R4/34 ,  H01R4/64

CPC classification number: G01R27/205 ,  G01R31/56 ,  H01R4/34 ,  H01R4/64

Abstract: Embodiments presented in this disclosure generally relate to a ground device. More specifically, embodiments disclosed herein are directed to a grounding device for indicating whether there is proper grounding for electrical equipment. One embodiment presented in this disclosure provides an apparatus. The apparatus generally includes a lug configured to be coupled to a physical ground node, the lug having one or more bolts for coupling the lug to a surface of a plate such that the physical ground node is electrically coupled to an electrical ground node. The apparatus also includes a sensing circuit configured to detect whether the physical ground node is electrically coupled to the electrical ground node, and provide an indication of whether the physical ground node is electrically coupled to the electrical ground node based on the detection.

公开(公告)号：US20240113903A1

公开(公告)日：2024-04-04

申请号：US18486238

申请日：2023-10-13

Applicant: Cisco Technology, Inc.

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

IPC: H04L12/10 ,  H03M13/03 ,  H03M13/37 ,  H04B3/54 ,  H04L41/12 ,  H04W80/02

CPC classification number: H04L12/10 ,  H03M13/03 ,  H03M13/373 ,  H04B3/54 ,  H04L41/12 ,  H04W80/02 ,  H03M13/1515 ,  H04B2203/542

Abstract: In one embodiment, a method includes transmitting pulse power on two wire pairs, the pulse power comprising a plurality of high voltage pulses with the high voltage pulses on the wire pairs offset between the wire pairs to provide continuous power, performing low voltage fault detection on each of the wire pairs between the high voltage pulses, and transmitting data on at least one of the wire pairs during transmittal of the high voltage pulses. Data transmittal is suspended during the low voltage fault detection.

公开(公告)号：US11916614B2

公开(公告)日：2024-02-27

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: G06F1/30 ,  G01R31/08 ,  G01R31/50 ,  G05B9/02 ,  H02J13/00 ,  H04B3/54 ,  H04L12/10 ,  H04L12/40

CPC classification number: H04B3/54 ,  G01R31/083 ,  G01R31/50 ,  G05B9/02 ,  G06F1/305 ,  H02J13/00 ,  H02J13/00032 ,  H04L12/10 ,  H04L12/40045

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：US11848790B2

公开(公告)日：2023-12-19

申请号：US17884124

申请日：2022-08-09

Applicant: Cisco Technology, Inc.

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

IPC: H03M13/00 ,  H04L12/10 ,  H03M13/03 ,  H04B3/54 ,  H04L41/12 ,  H04W80/02 ,  H03M13/37 ,  H03M13/15

CPC classification number: H04L12/10 ,  H03M13/03 ,  H03M13/373 ,  H04B3/54 ,  H04L41/12 ,  H04W80/02 ,  H03M13/1515 ,  H04B2203/542

Abstract: In one embodiment, a method includes transmitting pulse power on two wire pairs, the pulse power comprising a plurality of high voltage pulses with the high voltage pulses on the wire pairs offset between the wire pairs to provide continuous power, performing low voltage fault detection on each of the wire pairs between the high voltage pulses, and transmitting data on at least one of the wire pairs during transmittal of the high voltage pulses. Data transmittal is suspended during the low voltage fault detection.

公开(公告)号：US11838060B2

公开(公告)日：2023-12-05

申请号：US17502848

申请日：2021-10-15

Applicant: Cisco Technology, Inc.

Inventor： Joel Richard Goergen ,  Charles Calvin Byers ,  Robert Gregory Twiss ,  D. Brice Achkir ,  Chad M. Jones

IPC: H04B10/80 ,  G02B6/42 ,  H04L12/40 ,  H04M19/08 ,  H04L12/12 ,  H04L12/10 ,  H02J50/80 ,  H02J50/30 ,  G02B6/38 ,  H02S40/38 ,  G01J3/02

CPC classification number: H04B10/807 ,  G02B6/4293 ,  H02J50/30 ,  H02J50/80 ,  H04L12/10 ,  H04L12/12 ,  H04L12/40045 ,  H04L12/40091 ,  H04L12/40176 ,  H04M19/08 ,  G01J3/0218 ,  G02B6/3817 ,  H02S40/38

Abstract: In one embodiment, a method includes receiving power delivered over a data fiber cable at an optical transceiver installed at a network communications device and transmitting data and the power from the optical transceiver to the network communications device. The network communications device is powered by the power received from the optical transceiver. An apparatus is also disclosed herein.

公开(公告)号：US11683190B2

公开(公告)日：2023-06-20

申请号：US17177027

申请日：2021-02-16

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Joel Richard Goergen ,  Chad M. Jones ,  Paolo Sironi

IPC: H04L12/10 ,  H04L12/40 ,  G01R31/08 ,  G01R31/58 ,  G01R31/52

CPC classification number: H04L12/10 ,  G01R31/083 ,  G01R31/58 ,  H04L12/40039 ,  H04L12/40045 ,  G01R31/52

Abstract: In one embodiment, a method includes transmitting power in a power and data distribution system comprising at least two pairs of wires, negotiating a power level between Power Sourcing Equipment (PSE) and a Powered Device (PD) in the power and data distribution system, transmitting the power at a power level greater than 100 watts, periodically checking each of the wires for a fault, and checking for an electrical imbalance at the wires.

公开(公告)号：US11637497B2

公开(公告)日：2023-04-25

申请号：US16805580

申请日：2020-02-28

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Richard Anthony O'Brien ,  Joel Richard Goergen ,  Chad M. Jones ,  Jason DeWayne Potterf ,  George Allan Zimmerman

IPC: H02M3/158 ,  H02J1/10 ,  G06F1/18

Abstract: In one embodiment, a method includes transmitting multi-phase pulse power from power sourcing equipment to a powered device in a data center, wherein the multi-phase pulse power comprises multiple phases of power delivered in a sequence of pulses defined by alternating low direct current voltage states and high direct current voltage states, and synchronizing the pulses at the power sourcing equipment with the pulses at the powered device.

公开(公告)号：US20230033244A1

公开(公告)日：2023-02-02

申请号：US17963475

申请日：2022-10-11

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Joel Richard Goergen ,  Chad M. Jones

IPC: H02J3/38 ,  H02J13/00 ,  H04L12/10

Abstract: In one embodiment, a power system includes a power panel operable to distribute alternating current (AC) power and pulse power to a plurality of power outlets and having an AC circuit breaker and a pulse power circuit breaker, the pulse power comprising a sequence of pulses alternating between a low direct current (DC) voltage state and a high DC voltage state, a power inverter and converter coupled to the power panel through an AC power connection and a pulse power connection and including a DC power input for receiving DC power from a renewable energy source, an AC power input for receiving AC power, and a connection to an energy storage device, and a power controller in communication with the power inverter and converter and operable to balance power load and allocate power received at the DC power input and the AC power input to the power panel.

公开(公告)号：US11444791B2

公开(公告)日：2022-09-13

申请号：US16999754

申请日：2020-08-21

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Chad M. Jones ,  Joel Richard Goergen ,  George Allan Zimmerman ,  Richard Anthony O'Brien ,  Douglas Paul Arduini ,  Jason Dewayne Potterf ,  Sung Kee Baek

IPC: H03M13/00 ,  H04L12/10 ,  H03M13/03 ,  H04B3/54 ,  H04L41/12 ,  H04W80/02

Abstract: In one embodiment, a method includes transmitting pulse power on two wire pairs, the pulse power comprising a plurality of high voltage pulses with the high voltage pulses on the wire pairs offset between the wire pairs to provide continuous power, performing low voltage fault detection on each of the wire pairs between the high voltage pulses, and transmitting data on at least one of the wire pairs during transmittal of the high voltage pulses. Data transmittal is suspended during the low voltage fault detection.