Contributions
�[�AI/Question:�Q1/5�]��� |
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Titre
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AI/Question
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Date
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[ 875 ]
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The 2nd draft of Recommendation ITU-T K.HVAC_400VDC, "Electrical safety and lightning protection of medium voltage input and up to �400VDC output power system in ICT data centre and telecommunication centre"
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Huawei Technologies Co., Ltd. (China)
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Q1/5
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2021-11-17 |
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[ 833 ]
�
(Rev.1)� |
Proposed revision of Recommendation K.87 "Guide for the application of electromagnetic security requirements - Overview"
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Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q1/5
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2021-11-15 |
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[ 832 ]
�
(Rev.1-2)� |
Revision of K.138 "Quality estimation methods and application guidelines for mitigation measures based on particle radiation tests"
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NEC Corporation (Japan)
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Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q1/5
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2021-11-15 |
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[ 831 ]
�
(Rev.1-2)� |
Revision of K.139 "Reliability requirements for telecommunication systems affected by particle radiation"
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NEC Corporation (Japan)
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Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q1/5
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2021-11-15 |
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[ 830 ]
�
(Rev.1-2)� |
Revision of K.131 "Design methodologies for telecommunication systems applying soft error measures"
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NEC Corporation (Japan)
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Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q1/5
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2021-11-15 |
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[ 829 ]
�
(Rev.1-2)� |
Revision of K.130 "Neutron irradiation test methods for telecommunication equipment"
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NEC Corporation (Japan)
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Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q1/5
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2021-11-15 |
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[ 827 ]
�
(Rev.1-2)� |
Revision of K.124 "Overview of particle radiation effects on telecommunication systems"
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NEC Corporation (Japan)
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Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q1/5
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2021-11-15 |
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[ 792 ]
�
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The 1st draft of Recommendation ITU-T K.MV-UPS, "Electrical safety and lightning protection requirements for medium voltage uninterruptible power system"
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Huawei Technologies Co., Ltd. (China)
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Q1/5
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2021-04-28 |
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[ 791 ]
�
(Rev.1)� |
The proposal to rename ITU-T K.HVAC_400VDC "Electrical safety and lightning protection of medium voltage input and up to 400VDC output power system in data centre and telecommunication room"
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Huawei Technologies Co., Ltd. (China)
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Q1/5
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2021-04-28 |
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[ 790 ]
�
(Rev.1)� |
Outline of draft Recommendation on ITU-T K.5G-Lightning "Practical guide for lightning protection, earthing and bonding, and safety consideration of 5G radio base station"
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Huawei Technologies Co., Ltd. (China)
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Q1/5
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2021-04-28 |
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[ 789 ]
�
(Rev.1)� |
Outline of K.SPDM: Performance Requirements and Test Methods for Surge Protective Device Modules Used in AC power port of Telecommunication Equipment
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Huawei Technologies Co., Ltd. (China)
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Q1/5
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2021-04-28 |
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[ 757 ]
�
(Rev.1)� |
Revision of K.139 "Reliability requirements for telecommunication systems affected by particle radiation"
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Fujitsu Limited (Japan)
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NEC Corporation (Japan)
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Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q1/5
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2021-04-23 |
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[ 756 ]
�
(Rev.1)� |
Revision of K.138 "Quality estimation methods and application guidelines for mitigation measures based on particle radiation tests"
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Fujitsu Limited (Japan)
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NEC Corporation (Japan)
,
Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q1/5
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2021-04-23 |
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[ 755 ]
�
(Rev.1)� |
Revision of K.131 "Design methodologies for telecommunication systems applying soft error measures"
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Fujitsu Limited (Japan)
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NEC Corporation (Japan)
,
Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q1/5
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2021-04-23 |
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[ 754 ]
�
(Rev.1)� |
Revision of K.130 "Neutron irradiation test methods for telecommunication equipment"
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Fujitsu Limited (Japan)
,
NEC Corporation (Japan)
,
Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q1/5
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2021-04-23 |
|
[ 753 ]
�
(Rev.1)� |
Revision of K.124 "Overview of particle radiation effects on telecommunication systems"
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Fujitsu Limited (Japan)
,
NEC Corporation (Japan)
,
Nippon Telegraph and Telephone Corporation (NTT) (Japan)
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Q1/5
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2021-04-23 |
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[ 721 ]
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A.1 justification for proposed new ITU-T Recommendation in the work programme: K.HVAC_400Vdc: "Electrical safety and lightning protection of medium voltage input and up to 400VDC output power system in data center and telecommunication room"
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Huawei Technologies Co., Ltd. (China)
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Ministry of Industry and Information Technology (MIIT) (China)
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Q1/5
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2020-10-05 |
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[ 682 ]
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(Rev.1)� |
Proposed new work item on "Electrical safety and lightning protection of 10kV AC input and up to 400VDC output power system in data center and telecommunication room"
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Huawei Technologies Co., Ltd. (China)
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Ministry of Industry and Information Technology (MIIT) (China)
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Q1/5
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2020-09-29 |
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[ 680 ]
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The revision of Recommendation ITU-T K.35(01/2018) "Bonding configurations and earthing at remote electronic sites"
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China Telecommunications Corporation
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Q1/5
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2020-09-29 |
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[ 668 ]
�
(Rev.1)� |
Final draft of Recommendation ITU-T K.int (Limits of interf�rences on telecommunication transmissions on copper other than speech)
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Orange (France)
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Q1/5
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2020-04-28 |
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[ 616 ]
�
(Rev.1)� |
Proposal to revise ITU-T K.112, Lightning protection, earthing and bonding: Practical procedures for radio base stations
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Huawei Technologies Co., Ltd. (China)
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Q1/5
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2020-04-26 |
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[ 615 ]
�
(Rev.1)� |
Proposal to revise ITU-T K.56, Protection of radio base stations against lightning discharges
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Huawei Technologies Co., Ltd. (China)
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Q1/5
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2020-04-26 |
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[ 604 ]
�
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Description of new Question QA/5
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Huawei Technologies Co., Ltd. (China)
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QALL/5, Q5/5, Q1/5
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2019-09-04 |
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[ 558 ]
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Proposed a new work item on draft Recommendation ITU-T K. ebid "earthing and bonding of the indoor distribution system for mobile communication"
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China Unicom
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Q1/5
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2019-09-02 |
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[ 546 ]
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Proposed a new work item on draft Recommendation ITU-T K.5G-Lightning "Practical guide for lightning protection, earthing and bonding, and safety consideration of 5G radio base station"
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Huawei Technologies Co., Ltd. (China)
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Q1/5
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2019-08-30 |
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[ 545 ]
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Proposal to revise ITU-T K.40
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Huawei Technologies Co., Ltd. (China)
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Q1/5
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2019-08-30 |
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[ 541 ]
�
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The 6th draft of K.vss "Lightning protection and Earthing of Video Surveillance System"
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China Telecommunications Corporation
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Q1/5
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2019-08-28 |
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[ 517 ]
�
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Second draft of Recommendation ITU-T K.int (Limits of interferences on telecommunication transmissions on copper other than speech)
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Orange (France)
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Q1/5
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2019-04-30 |
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[ 514 ]
�
(Rev.1)� |
Research on limits on ADSL disturbances created by A.C. electrified traction system for K.int (Limits of interference on telecommunication transmissions on copper other than speech)
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Orange (France)
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Q1/5
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2019-04-30 |
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[ 453 ]
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Proposal to add a clause to demonstrate the protection measure for antenna system against lightning in different installation scenarios in ITU-T K.112.
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Huawei Technologies Co., Ltd. (China)
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Q1/5
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2019-04-26 |
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[ 440 ]
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The 5th draft of K.vss "Lightning protection and Earthing of Video Surveillance System"
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China Telecommunications Corporation
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Q1/5
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2019-04-25 |
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[ 380 ]
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Added the requirements for SSI powered by up to 400V IT d.c. system in ITU-T K.psp
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Huawei Technologies Co., Ltd.
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Q1/5
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2018-08-29 |
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[ 379 ]
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Some revision suggestions for ITU-T K.psp "Protection of small-size telecommunication installations with poor earthing conditions"
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Huawei Technologies Co., Ltd.
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Q1/5
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2018-08-29 |
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[ 378 ]
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The fifth draft of K.psp "Protection of small-size telecommunication installations with poor earthing conditions"
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China Unicom
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Q1/5
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2018-08-29 |
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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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[ 322 ]
�
(Rev.1-2)� |
The 4th draft of K.vss "Lightning protection and Earthing of Video Surveillance System"
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China Telecommunications Corporation
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Q1/5
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2018-08-24 |
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[ 270 ]
�
(Rev.1)� |
IP PoE camera systems - Bridging Functional Insulation - implications and system consequences
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Bourns Limited
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Q2/5, Q1/5
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2018-05-08 |
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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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[ 245 ]
�
(Rev.1)� |
The fourth draft of K.psp "Protection of small-size telecommunication installations with poor earthing conditions"
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China Unicom
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Q1/5
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2018-05-06 |
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[ 240 ]
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Proposal to add a new Appendix to give some examples for protection GPS system against lightning in ITU-T K.112
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Huawei Technologies Co., Ltd.
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Q1/5
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2018-05-03 |
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[ 230 ]
�
(Rev.1)� |
Review of IEC 62305-4
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Littelfuse UK Ltd.
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Q1/5
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2018-04-19 |
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[ 223 ]
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Experience of Cameroon in the protection of radio base station (RBS) against lightning
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Minist�re des Postes et T�l�communications, Cameroon
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Q1/5
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2018-04-16 |
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[ 177 ]
�
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First draft of Recommendation ITU-T K.int (Limits of interferences on telecommunication transmissions on copper other than speech)
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Orange
,
Soci�t� nationale des chemins de fer fran�ais
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Q1/5
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2017-10-31 |
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[ 176 ]
�
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Research of limits on ADSL disturbances created by A.C. electrified traction systems for K.int (Limits of interference on telecommunication transmissions on copper other than speech)
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Orange
,
Soci�t� nationale des chemins de fer fran�ais
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Q1/5
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2017-10-31 |
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[ 131 ]
�
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The third draft of K.psp "Protection of small-size telecommunication installations with poor earthing conditions"
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China Unicom
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Q1/5
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2017-10-30 |
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[ 115 ]
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Proposal to delete work item K.lp from the work program
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Huawei Technologies Co., Ltd.
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Q1/5
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2017-10-28 |
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[ 114 ]
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Proposal for new subclauses to be inserted on ITU-T K.40
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Huawei Technologies Co., Ltd.
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Q1/5
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2017-10-28 |
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[ 113 ]
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Proposal for an alternative earthing network for electronic equipment cabinet (EEC) in ITU-T K.35
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Huawei Technologies Co., Ltd.
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Q1/5
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2017-10-28 |
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[ 103 ]
�
(Rev.1)� |
Comments and proposals on K.vss
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Nippon Telegraph and Telephone Corporation (NTT)
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Q1/5
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2017-10-27 |
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[ 76 ]
�
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The power frequency magnetic field (PFMF) control of ICT equipment rooms and PFMF immunity requirement for ICT equipment for ITU-T K.idc
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Huawei Technologies Co., Ltd.
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Q1/5
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2017-05-03 |
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