Contributions
[ Source: Nippon Telegraph and Telephone Corporation (NTT) ]  |
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Numéro
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Titre
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Source
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AI/Question
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Date
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[ 557 ]
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K.spdsafe: seventh draft of "Guidance on safety relating to the use of surge protective devices and surge protective components in telecommunication terminal equipment" aiming consent.
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Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q2/5
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2019-09-02 |
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[ 542 ]
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L.MAAP (Methodology for assessing the aggregated positive sector-level impacts of ICT in other sectors) - Updated draft text of L.MAAP
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Nippon Telegraph and Telephone Corporation (NTT) (Japan)
,
Nokia Corporation (Finland)
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Q9/5
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2019-08-28 |
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[ 447 ]
(Rev.1) |
K.Sup.access_trunk_networks to-ITU-T-K.45 on "Rationale for setting resistibility requirements of telecommunication equipment installed in the access and trunk networks against lightning": 1st draft of Supplement
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Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q2/5
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2019-04-26 |
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[ 446 ]
(Rev.1) |
K.Sup.telecom_centre to-ITU-T-K.20 on "Rationale for setting resistibility requirements of telecommunication equipment installed in a telecommunication centre against lightning": 1st draft of Supplement
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Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q2/5
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2019-04-26 |
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[ 445 ]
(Rev.1) |
K.Sup.customer to-ITU-T-K.21 on "Rationale for setting resistibility requirements of telecommunication equipment installed in customer premises against lightning": 1st draft of Supplement
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Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q2/5
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2019-04-26 |
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[ 444 ]
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K.spdsafe: fifth draft of "Guidance on safety relating to the use of surge protective devices and surge protective components in telecommunication terminal equipment"
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Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q2/5
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2019-04-26 |
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[ 442 ]
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Notes for applying IEC 61000-4-5 Ed.3
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Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q4/5
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2019-04-26 |
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[ 434 ]
(Rev.1) |
Information of semiconductor devices required for design of telecommunication equipment applying soft error mitigation measures
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Fujitsu Limited (Japan)
,
Hitachi, Ltd. (Japan)
,
NEC Corporation (Japan)
,
Nippon Telegraph and Telephone Corporation (NTT)
,
Oki Electric Industry Company Ltd. (OKI) (Japan)
|
Q5/5
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2019-04-25 |
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[ 430 ]
(Rev.1) |
Proposal for the 3rd revised draft of K.123 "Electromagnetic compatibility requirements for electrical equipment in telecommunication facilities"
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Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q4/5
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2019-04-24 |
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[ 429 ]
(Rev.1) |
Proposed a new method for assessing environmental and economic impacts of ICT at sector level by using a CGE model
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Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q9/5
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2019-04-23 |
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[ 426 ]
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Proposed an updated text of the proposed method for assessing environmental and economic impacts of ICT at sector level by using a CGE model
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Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q9/5
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2019-04-17 |
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[ 374 ]
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Proposal for a new work item on Supplement to K.45 "Technical rationale of resistibility of telecommunication equipment installed in the access and trunk networks against lightning"
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Nippon Telegraph and Telephone Corporation (NTT)
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Q2/5
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2018-08-28 |
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[ 373 ]
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Proposal for a new work item on Supplement to K.20 "Technical rationale of resistibility of telecommunication equipment installed in a telecommunication centre against lightning"
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Nippon Telegraph and Telephone Corporation (NTT)
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Q2/5
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2018-08-28 |
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[ 372 ]
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Proposal for a new work item on Supplement to K.21 "Technical rationale of resistibility of telecommunication equipment installed in customer premises against lightning"
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Nippon Telegraph and Telephone Corporation (NTT)
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Q2/5
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2018-08-28 |
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[ 371 ]
(Rev.1-2) |
Re-comments on TD523 and draft K.vss
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Nippon Telegraph and Telephone Corporation (NTT)
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Q1/5
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2018-08-28 |
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[ 361 ]
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Proposed third draft of new Recommendation K.spdsafe "Guidance on safety relating to the use of surge protective devices and surge protective components in telecommunication terminal equipment"
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Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q2/5
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2018-08-28 |
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[ 360 ]
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Comments on earthing conditions of power feeding systems in K.20, K.21 and K.44
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Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q2/5
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2018-08-28 |
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[ 353 ]
(Rev.1) |
Proposal of third draft of K.soft_mes "Quality estimation methods and application guidelines for mitigation measures based on particle radiation tests"
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Fujitsu Limited (Japan)
,
Hitachi, Ltd. (Japan)
,
NEC Corporation (Japan)
,
Nippon Telegraph and Telephone Corporation (NTT)
,
Oki Electric Industry Company Ltd. (OKI) (Japan)
,
Xilinx Incorporation (United States)
|
Q5/5
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2018-08-28 |
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[ 352 ]
(Rev.1) |
Proposed third draft of K.soft_req "Reliability requirements for telecommunication systems affected by particle radiation"
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Fujitsu Limited (Japan)
,
Hitachi, Ltd. (Japan)
,
NEC Corporation (Japan)
,
Nippon Telegraph and Telephone Corporation (NTT)
,
Oki Electric Industry Company Ltd. (OKI) (Japan)
,
Xilinx Incorporation (United States)
|
Q5/5
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2018-08-28 |
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[ 351 ]
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Proposal for the revision of K.78 "High altitude electromagnetic pulse immunity guide for telecommunication centres"
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Nippon Telegraph and Telephone Corporation (NTT)
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Q5/5
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2018-08-28 |
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[ 350 ]
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Rationale for the specification of conductive disturbance limits below 150 kHz for revised draft of K.123
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Nippon Telegraph and Telephone Corporation (NTT)
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Q4/5
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2018-08-28 |
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[ 349 ]
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Proposal for the 2nd revised draft of K.123 "Electromagnetic compatibility requirements for electrical equipment in telecommunication facilities"
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Nippon Telegraph and Telephone Corporation (NTT)
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Q4/5
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2018-08-28 |
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[ 335 ]
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A study on validity of deletion of overvoltage resistibility requirement for USB port in K.20 and K.21 (in the case of connecting USB device which has AC port or Earthing port)
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Nippon Telegraph and Telephone Corporation (NTT)
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Q2/5
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2018-08-27 |
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[ 317 ]
(Rev.1-3) |
Proposed work for new Recommendation K.soft_dev "Semiconductor device requirements for soft error mitigation measures of telecommunication systems"
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Fujitsu Limited (Japan)
,
Hitachi, Ltd. (Japan)
,
NEC Corporation
,
Nippon Telegraph and Telephone Corporation (NTT) (Japan)
,
Oki Electric Industry Company Ltd. (OKI) (Japan)
,
Xilinx Incorporation (United States)
|
Q5/5
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2018-08-08 |
|
[ 316 ]
(Rev.1-2) |
Proposal for the revision of Series K supplement 11 "ITU-T K.131 - Soft error measures for field programmable gate arrays"
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Fujitsu Limited (Japan)
,
Hitachi, Ltd. (Japan)
,
NEC Corporation
,
Nippon Telegraph and Telephone Corporation (NTT) (Japan)
,
Oki Electric Industry Company Ltd. (OKI) (Japan)
,
Xilinx Incorporation (United States)
|
Q5/5
|
2018-08-08 |
|
[ 263 ]
(Rev.1) |
Proposed second draft of K.soft_req "Reliability requirement of particle radiation effect for telecommunication systems"
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Fujitsu Limited
,
Hitachi, Ltd.
,
NEC Corporation
,
Nippon Telegraph and Telephone Corporation (NTT)
,
Oki Electric Industry Company Ltd. (OKI)
,
Xilinx Incorporation
|
Q5/5
|
2018-05-08 |
|
[ 262 ]
(Rev.1) |
Proposal of third draft of K.soft_mes "Quality estimation methods and application guidelines for mitigation measures based on particle radiation tests"
|
Fujitsu Limited
,
Hitachi, Ltd.
,
NEC Corporation
,
Nippon Telegraph and Telephone Corporation (NTT)
,
Oki Electric Industry Company Ltd. (OKI)
,
Xilinx Incorporation
|
Q5/5
|
2018-05-08 |
|
[ 249 ]
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Proposal for the revision of K.123 "Electromagnetic compatibility requirements for electrical equipment in telecommunication facilities"
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Nippon Telegraph and Telephone Corporation (NTT)
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Q4/5
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2018-05-07 |
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[ 248 ]
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Proposal about resistibility level of internal Ethernet port
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Nippon Telegraph and Telephone Corporation (NTT)
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Q2/5
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2018-05-07 |
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[ 247 ]
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Proposed revision of K.44 for definition of "Intra-system port"
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Nippon Telegraph and Telephone Corporation (NTT)
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Q2/5
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2018-05-07 |
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[ 246 ]
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Comments and re-proposals on K.vss "Lightning protection and Earthing of Video Surveillance System"
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Nippon Telegraph and Telephone Corporation (NTT)
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Q1/5
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2018-05-07 |
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[ 235 ]
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Proposed second draft of new Recommendation K.spdsafe "Guidance on safety relating to the use of surge protective devices and surge protective components in customer building and access network"
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Nippon Telegraph and Telephone Corporation (NTT)
|
Q2/5
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2018-04-27 |
|
[ 234 ]
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Comments on use of terms of insulation and isolation
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Nippon Telegraph and Telephone Corporation (NTT)
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Q2/5
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2018-04-27 |
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[ 233 ]
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Study of the desirability of easing the overvoltage resistibility requirement for STP Ethernet ports in K.20 and K.21
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Nippon Telegraph and Telephone Corporation (NTT)
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Q2/5
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2018-04-26 |
|
[ 232 ]
(Rev.1) |
A Study on necessity of overvoltage test of USB port in K.20 and K.21 (in the case of connecting USB device which is supplied power by an AC adapter)
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Nippon Telegraph and Telephone Corporation (NTT)
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Q2/5
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2018-04-26 |
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[ 127 ]
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Problems on application of surge immunity test method in IEC 61000-4-5 Ed.3.to telecommunication equipment
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Nippon Telegraph and Telephone Corporation (NTT)
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Q4/5, Q2/5
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2017-10-30 |
|
[ 126 ]
(Rev.1-2) |
Proposed fourth draft of K.soft_des "Design methodologies for telecommunication systems applying soft error measures" for consent
|
Fujitsu Limited
,
Hitachi, Ltd.
,
NEC Corporation
,
Nippon Telegraph and Telephone Corporation (NTT)
,
Oki Electric Industry Company Ltd. (OKI)
,
Xilinx Incorporation
|
Q5/5
|
2017-10-30 |
|
[ 124 ]
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Proposed first draft of new Recommendation K.spdsafe "Guidance on safety relating to the use of surge protective devices and surge protective components in customer building and access network"
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Nippon Telegraph and Telephone Corporation (NTT)
|
Q2/5
|
2017-10-30 |
|
[ 123 ]
(Rev.1-2) |
Proposal of fourth draft of K.soft_test "Neutron irradiation test methods for telecommunications equipment" for consent
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Fujitsu Limited
,
Hitachi, Ltd.
,
NEC Corporation
,
Nippon Telegraph and Telephone Corporation (NTT)
,
Oki Electric Industry Company Ltd. (OKI)
,
Xilinx Incorporation
|
Q5/5
|
2017-10-30 |
|
[ 122 ]
(Rev.1) |
Proposed first draft of K.soft_req "Reliability requirement of particle radiation effect for telecommunication systems"
|
Fujitsu Limited
,
Hitachi, Ltd.
,
NEC Corporation
,
Nippon Telegraph and Telephone Corporation (NTT)
,
Oki Electric Industry Company Ltd. (OKI)
,
Xilinx Incorporation
|
Q5/5
|
2017-10-30 |
|
[ 121 ]
|
The 3rd draft Recommendation K.light "EMC requirements of electromagnetic disturbances from lighting equipment located in telecommunication facilities"
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Nippon Telegraph and Telephone Corporation (NTT)
|
Q4/5
|
2017-10-30 |
|
[ 120 ]
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The necessity of a detailed study on deletion of overvoltage resistibility requirement for USB port in K.20 and K.21
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Nippon Telegraph and Telephone Corporation (NTT)
|
Q2/5
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2017-10-30 |
|
[ 103 ]
(Rev.1) |
Comments and proposals on K.vss
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Nippon Telegraph and Telephone Corporation (NTT)
|
Q1/5
|
2017-10-27 |
|
[ 98 ]
(Rev.1) |
Proposed second draft "Supplement to K.soft_des for Soft error measures of FPGA"
|
Fujitsu Limited
,
Hitachi, Ltd.
,
NEC Corporation
,
Nippon Telegraph and Telephone Corporation (NTT)
,
Oki Electric Industry Company Ltd. (OKI)
,
Xilinx Incorporation
|
Q5/5
|
2017-10-25 |
|
[ 32 ]
(Rev.1) |
Proposed change on flowchart for K.44 to select resistibility level of equipment in customer premises being discussed
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Nippon Telegraph and Telephone Corporation (NTT)
|
Q2/5
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2017-04-28 |
|
[ 31 ]
(Rev.1-2) |
Proposal of first draft "Supplement to K_soft_des Soft error measures for FPGA"
|
Fujitsu Limited
,
Hitachi, Ltd.
,
NEC Corporation
,
Nippon Telegraph and Telephone Corporation (NTT)
,
Oki Electric Industry Company Ltd. (OKI)
,
Xilinx Incorporation
|
Q5/5
|
2017-04-28 |
|
[ 22 ]
|
Proposed study on safety of bridging by SPD between primary and external circuit
|
Nippon Telegraph and Telephone Corporation (NTT)
|
Q2/5
|
2017-04-27 |
|
[ 21 ]
|
The second draft of K.light "EMC requirements of disturbances from lighting equipment located in the telecommunication equipment room"
|
Nippon Telegraph and Telephone Corporation (NTT)
|
Q4/5
|
2017-04-27 |
|
[ 20 ]
|
Measurement method of transient currents at mains ports in K.light
|
Nippon Telegraph and Telephone Corporation (NTT)
|
Q4/5
|
2017-04-27 |
|
[ 19 ]
|
The 3rd draft of Recommendation K.appl4: Surge Protective Component Application Guide - Lightning Isolation Transformers
|
Nippon Telegraph and Telephone Corporation (NTT)
|
Q2/5
|
2017-04-27 |
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