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UIT-T SG 5 C

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Environment, climate change and circular economy
Période d'études 2017

Resultats:39 documents

Contributions [ Source: Nippon Telegraph and Telephone Corporation (NTT) ] [ AI/Question: Q2/5 ]
	Numéro	Titre	Source	AI/Question	Date
	[ 835 ]	Discussion on exception conditions included in K.21, K.45 "Resistibility of telecommunication equipment installed in customer premises, access and trunk networks to over voltages and over currents"	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q2/5	2021-11-15
	[ 834 ]	Discussion on future revision of K.Sup.24: "Rationale for setting resistibility requirements of telecommunication equipment installed in a telecommunication centre against lightning"	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q2/5	2021-11-15
	[ 776 ] (Rev.1)	Revision of Series K Supplement 22 "Rationale of resistibility of telecommunication equipment installed in the access and trunk networks against lightning"	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q2/5	2021-04-27
	[ 775 ] (Rev.1)	Proposed revision of K.Sup.21 "Rationale for setting resistibility requirements of telecommunication equipment installed in customer premises against lightning"	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q2/5	2021-04-27
	[ 774 ] (Rev.1)	Draft Supplement ITU-T K.20 (K.Sup.telecom_centre):"Rationale for setting resistibility requirements of telecommunication equipment installed in a telecommunication centre against lightning"	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q2/5	2021-04-27
	[ 710 ] (Rev.1)	Draft Supplement ITU-T K.20 (K.Sup.telecom_centre):"Rationale for setting resistibility requirements of telecommunication equipment installed in a telecommunication centre against lightning"	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q2/5	2020-10-05
	[ 709 ] (Rev.1)	Draft Supplement to ITU-T K.45 (K.Sup.access_trunk_networks): "Technical rationale of resistibility of telecommunication equipment installed in the access and trunk networks against lightning"	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q2/5	2020-10-05
	[ 708 ]	K.Sup.customer to-ITU-T-K.21 on "Rationale for setting resistibility requirements of telecommunication equipment installed in customer premises against lightning": 4th draft of Supplement	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q2/5	2020-10-05
	[ 705 ]	An issue to be considered when applying CDN for surge immunity test in IEC 61000-4-5	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q4/5, Q2/5	2020-10-05
	[ 642 ] (Rev.1)	K.Sup.access_trunk_networks to-ITU-T-K.45 on"Technical rationale of resistibility of telecommunication equipment installed in the access and trunk networks against lightning": 3rd draft of Supplement	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q2/5	2020-04-27
	[ 641 ]	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": 3rd draft of Supplement	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q2/5	2020-04-27
	[ 640 ] (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": 3rd draft of Supplement	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q2/5	2020-04-27
	[ 634 ]	An issue to be considered when applying CDN for surge immunity test in IEC 61000-4-5	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q4/5, Q2/5	2020-04-27
	[ 563 ] (Rev.1)	K.Sup.access_trunk_networks to-ITU-T-K.45 on"Technical rationale of resistibility of telecommunication equipment installed in the access and trunk networks against lightning": 2nd draft of Supplement	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q2/5	2019-09-02
	[ 562 ] (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": 2nd draft of Supplement	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q2/5	2019-09-02
	[ 561 ] (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": 2nd draft of Supplement	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q2/5	2019-09-02
	[ 557 ]	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.	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q2/5	2019-09-02
	[ 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	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q2/5	2019-04-26
	[ 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	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q2/5	2019-04-26
	[ 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	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q2/5	2019-04-26
	[ 444 ]	K.spdsafe: fifth draft of "Guidance on safety relating to the use of surge protective devices and surge protective components in telecommunication terminal equipment"	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q2/5	2019-04-26
	[ 374 ]	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"	Nippon Telegraph and Telephone Corporation (NTT)	Q2/5	2018-08-28
	[ 373 ]	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"	Nippon Telegraph and Telephone Corporation (NTT)	Q2/5	2018-08-28
	[ 372 ]	Proposal for a new work item on Supplement to K.21 "Technical rationale of resistibility of telecommunication equipment installed in customer premises against lightning"	Nippon Telegraph and Telephone Corporation (NTT)	Q2/5	2018-08-28
	[ 361 ]	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"	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q2/5	2018-08-28
	[ 360 ]	Comments on earthing conditions of power feeding systems in K.20, K.21 and K.44	Nippon Telegraph and Telephone Corporation (NTT) (Japan)	Q2/5	2018-08-28
	[ 335 ]	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)	Nippon Telegraph and Telephone Corporation (NTT)	Q2/5	2018-08-27
	[ 248 ]	Proposal about resistibility level of internal Ethernet port	Nippon Telegraph and Telephone Corporation (NTT)	Q2/5	2018-05-07
	[ 247 ]	Proposed revision of K.44 for definition of "Intra-system port"	Nippon Telegraph and Telephone Corporation (NTT)	Q2/5	2018-05-07
	[ 235 ]	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"	Nippon Telegraph and Telephone Corporation (NTT)	Q2/5	2018-04-27
	[ 234 ]	Comments on use of terms of insulation and isolation	Nippon Telegraph and Telephone Corporation (NTT)	Q2/5	2018-04-27
	[ 233 ]	Study of the desirability of easing the overvoltage resistibility requirement for STP Ethernet ports in K.20 and K.21	Nippon Telegraph and Telephone Corporation (NTT)	Q2/5	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)	Nippon Telegraph and Telephone Corporation (NTT)	Q2/5	2018-04-26
	[ 127 ]	Problems on application of surge immunity test method in IEC 61000-4-5 Ed.3.to telecommunication equipment	Nippon Telegraph and Telephone Corporation (NTT)	Q4/5, Q2/5	2017-10-30
	[ 124 ]	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"	Nippon Telegraph and Telephone Corporation (NTT)	Q2/5	2017-10-30
	[ 120 ]	The necessity of a detailed study on deletion of overvoltage resistibility requirement for USB port in K.20 and K.21	Nippon Telegraph and Telephone Corporation (NTT)	Q2/5	2017-10-30
	[ 32 ] (Rev.1)	Proposed change on flowchart for K.44 to select resistibility level of equipment in customer premises being discussed	Nippon Telegraph and Telephone Corporation (NTT)	Q2/5	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
	[ 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
Resultats:39 documents

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