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UIT-T SG 5

Environment, climate change and circular economy

Période d'études 2017

Resultats:24 documents
Contributions  [ Source: China ]  [ AI/Question: Q1/5 ]   Documents / Contributions
 
Numéro 
Titre Source AI/Question
Date
[ 875 ]  
 
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"     Huawei Technologies Co., Ltd. (China)   Q1/5   2021-11-17
[ 792 ]  
 
The 1st draft of Recommendation ITU-T K.MV-UPS, "Electrical safety and lightning protection requirements for medium voltage uninterruptible power system"     Huawei Technologies Co., Ltd. (China)   Q1/5   2021-04-28
[ 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"     Huawei Technologies Co., Ltd. (China)   Q1/5   2021-04-28
[ 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"     Huawei Technologies Co., Ltd. (China)   Q1/5   2021-04-28
[ 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     Huawei Technologies Co., Ltd. (China)   Q1/5   2021-04-28
[ 721 ]  
 
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"     Huawei Technologies Co., Ltd. (China) , Ministry of Industry and Information Technology (MIIT) (China)   Q1/5   2020-10-05
[ 682 ]  
(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"     Huawei Technologies Co., Ltd. (China) , Ministry of Industry and Information Technology (MIIT) (China)   Q1/5   2020-09-29
[ 680 ]  
 
The revision of Recommendation ITU-T K.35(01/2018) "Bonding configurations and earthing at remote electronic sites"     China Telecommunications Corporation   Q1/5   2020-09-29
[ 616 ]  
(Rev.1) 
Proposal to revise ITU-T K.112, Lightning protection, earthing and bonding: Practical procedures for radio base stations     Huawei Technologies Co., Ltd. (China)   Q1/5   2020-04-26
[ 615 ]  
(Rev.1) 
Proposal to revise ITU-T K.56, Protection of radio base stations against lightning discharges     Huawei Technologies Co., Ltd. (China)   Q1/5   2020-04-26
[ 604 ]  
 
Description of new Question QA/5     Huawei Technologies Co., Ltd. (China)   QALL/5, Q5/5, Q1/5   2019-09-04
[ 558 ]  
 
Proposed a new work item on draft Recommendation ITU-T K. ebid "earthing and bonding of the indoor distribution system for mobile communication"     China Unicom   Q1/5   2019-09-02
[ 546 ]  
 
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"     Huawei Technologies Co., Ltd. (China)   Q1/5   2019-08-30
[ 545 ]  
 
Proposal to revise ITU-T K.40     Huawei Technologies Co., Ltd. (China)   Q1/5   2019-08-30
[ 541 ]  
 
The 6th draft of K.vss "Lightning protection and Earthing of Video Surveillance System"     China Telecommunications Corporation   Q1/5   2019-08-28
[ 453 ]  
 
Proposal to add a clause to demonstrate the protection measure for antenna system against lightning in different installation scenarios in ITU-T K.112.     Huawei Technologies Co., Ltd. (China)   Q1/5   2019-04-26
[ 440 ]  
 
The 5th draft of K.vss "Lightning protection and Earthing of Video Surveillance System"     China Telecommunications Corporation   Q1/5   2019-04-25
[ 378 ]  
 
The fifth draft of K.psp "Protection of small-size telecommunication installations with poor earthing conditions"     China Unicom   Q1/5   2018-08-29
[ 322 ]  
(Rev.1-2) 
The 4th draft of K.vss "Lightning protection and Earthing of Video Surveillance System"     China Telecommunications Corporation   Q1/5   2018-08-24
[ 245 ]  
(Rev.1) 
The fourth draft of K.psp "Protection of small-size telecommunication installations with poor earthing conditions"     China Unicom   Q1/5   2018-05-06
[ 131 ]  
 
The third draft of K.psp "Protection of small-size telecommunication installations with poor earthing conditions"     China Unicom   Q1/5   2017-10-30
[ 44 ]  
 
The second draft of K.psp "Protection of small-size telecommunication installations with poor earthing conditions"     China Unicom   Q1/5   2017-05-01
[ 28 ]  
(Rev.1) 
Some useful information for K.psp.     China Telecommunications Corporation   Q1/5   2017-04-28
[ 26 ]  
(Rev.1) 
The 3rd draft of K.vss "Lightning protection and Earthing of Video Surveillance System".     China Telecommunications Corporation   Q1/5   2017-04-28
Resultats:24 documents
 
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