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ITU-T SG 5 C
ITU-T SG 5
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Environment and climate change
Study Period 2013
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11
total items.
Contributions
[ Source: China Telecommunications Corporation ] [ AI/Question: Q5/5 ]
Number
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Date
[ 786 ]
(Rev.1)
The 2nd draft of K.vss "Lightning protection and Earthing of Video Surveillance System"
China Telecommunications Corporation
Q5/5
2016-09-26
[ 785 ]
(Rev.1)
The proposal of new work item K.rcd "Technical requirements for Residual Current operated Device(RCD) with automatic re-closing device
China Telecommunications Corporation
Q5/5
,
Q2/5
2016-09-26
[ 678 ]
(Rev.1)
Practical procedures of earthing for VSS's Front-end device
China Telecommunications Corporation
Q5/5
2016-04-05
[ 677 ]
(Rev.1)
The draft of the new Recommendation K.vss "Lightning protection and Earthing of Video Surveillance System"
China Telecommunications Corporation
Q5/5
2016-04-05
[ 563 ]
(Rev.1)
The second draft of the new Recommendation K.ldt"Lightning Protection of the Dedicated Transformer for Radio Base Station"
China Telecommunications Corporation
Q5/5
2015-09-28
[ 371 ]
A revised solution for Risk assessment of K.ldt
China Telecommunications Corporation
Q5/5
2014-11-20
[ 323 ]
The first draft of the new Recommendation K.ldt"Lightning Protection of the Dedicated Transformer for Radio Base Station"
China Telecommunications Corporation
Q5/5
2014-07-07
[ 129 ]
Study and proposal for the drafting of K.XXX(Lightning Protection of the Dedicated Transformer for Radio Base Station)
China Telecommunications Corporation
Q5/5
2013-11-18
[ 128 ]
(Rev.1-2)
China Telecom's proposal for the second draft of new Recommendation K.dbs
original withdrawn at special request of the submitter
China Telecommunications Corporation
Q5/5
2013-11-18
[ 11 ]
(Rev.1)
Surge protective devices connected to HVDC power distribution systems for telecommunications - Requirements and tests
China Telecommunications Corporation
Q5/5
,
Q2/5
2013-01-15
[ 10 ]
(Rev.1)
Study and proposal for the drafting of a new recommendation K.Powertrans" Lightning Protection of Base Station's Dedicated transformer "
China Telecommunications Corporation
Q5/5
,
Q3/5
2013-01-15
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11
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