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公开(公告)号：US11212937B2
公开(公告)日：2021-12-28
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
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.
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公开(公告)号：US20190097748A1
公开(公告)日：2019-03-28
申请号：US15712385
申请日：2017-09-22
Applicant: Cisco Technology, Inc.
Inventor： Gilberto Loprieno , Emanuele Umberto Giacometti , Davide Codella
CPC classification number: H04J14/0293 , H03M13/03 , H03M13/13 , H03M13/1515 , H03M13/27 , H03M13/333 , H04B10/40 , H04B10/503 , H04B10/6166 , H04L1/004
Abstract: A method generates, from an input data stream, multiple lanes of a physical coding sublayer (PCS) signal. The method converts the data stream to a sequence of bit blocks, and periodically inserts into the sequence of bit blocks an alignment marker (AM) group including multiple individual alignment markers for respective ones of the multiple lanes. The method adds security protection to each bit block according to a security protocol to produce a sequence of protected bit blocks, and modifies each AM group with security information to be used by the security protocol to remove the security protection added to the sequence of protected bit blocks. The method applies forward error correction to the sequence of protected bit blocks and the modified AM groups to produce forward error correction codewords, and produces the multiple lanes from the codewords. The method transmits the multiple lanes over an optical link.
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公开(公告)号：US11637632B2
公开(公告)日：2023-04-25
申请号：US17647277
申请日：2022-01-06
Applicant: Cisco Technology, Inc.
Inventor： Gilberto Loprieno , Paolo Sironi , Emanuele Umberto Giacometti , Francesco Mariani
Abstract: A method includes mapping, by an optical transceiver, a received first OTU4 signal to a first FlexO frame without interleaving the first OTU4 signal into an ODUC signal prior to mapping the first OTU4 signal to the first FlexO frame. The method also includes communicating, by the optical transceiver, the first FlexO frame with the mapped first OTU4 signal to a coherent DSP over a first FOIC.
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公开(公告)号：US20230073988A1
公开(公告)日：2023-03-09
申请号：US17988375
申请日：2022-11-16
Applicant: Cisco Technology, Inc.
Inventor： Joel Richard Goergen , Chad M. Jones , Emanuele Umberto Giacometti
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.
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公开(公告)号：US11543844B2
公开(公告)日：2023-01-03
申请号：US17035527
申请日：2020-09-28
Applicant: CISCO TECHNOLOGY, INC.
Inventor： Joel Richard Goergen , Chad M. Jones , Emanuele Umberto Giacometti
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.
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Patent Agency Ranking
公开(公告)号：US10985847B2
公开(公告)日：2021-04-20
申请号：US15849959
申请日：2017-12-21
Applicant: Cisco Technology, Inc.
Inventor： Gilberto Loprieno , Scott Roy Fluhrer , Emanuele Umberto Giacometti
Abstract: A method divides data traffic into multiple optical transport units formatted according to an optical transport network (OTN) standard. The multiple optical transport units include a master optical network unit and one or more slave optical network units. Each optical network unit includes overhead and a payload. The overhead includes used overhead specifically defined in the OTN standard and unused overhead not specifically defined in the OTN standard. The method encrypts each optical network unit with a respective one of multiple encryption keys, defines security control parameters identifying the multiple encryption keys, and inserts the security control parameters into the unused overhead of a first slave optical network unit among the one or more slave optical network units. The method transmits the optical network units in encrypted form.
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公开(公告)号：US10404402B2
公开(公告)日：2019-09-03
申请号：US15712385
申请日：2017-09-22
Applicant: Cisco Technology, Inc.
Inventor： Gilberto Loprieno , Emanuele Umberto Giacometti , Davide Codella
Abstract: A method generates, from an input data stream, multiple lanes of a physical coding sublayer (PCS) signal. The method converts the data stream to a sequence of bit blocks, and periodically inserts into the sequence of bit blocks an alignment marker (AM) group including multiple individual alignment markers for respective ones of the multiple lanes. The method adds security protection to each bit block according to a security protocol to produce a sequence of protected bit blocks, and modifies each AM group with security information to be used by the security protocol to remove the security protection added to the sequence of protected bit blocks. The method applies forward error correction to the sequence of protected bit blocks and the modified AM groups to produce forward error correction codewords, and produces the multiple lanes from the codewords. The method transmits the multiple lanes over an optical link.
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公开(公告)号：US12099376B2
公开(公告)日：2024-09-24
申请号：US17988375
申请日：2022-11-16
Applicant: Cisco Technology, Inc.
Inventor： Joel Richard Goergen , Chad M. Jones , Emanuele Umberto Giacometti
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.
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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
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.
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10.发明申请公开(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
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.
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