[554] The first draft revision of ITU-T K.47 " Protection of telecommunication lines against direct lightning flashes"

[554] The first draft revision of ITU-T K.47 " Protection of telecommunication lines against direct lightning flashes"

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Document :	UIT-T SG05 (Période d'études 2025) Contribution 554
Titre :	The first draft revision of ITU-T K.47 " Protection of telecommunication lines against direct lightning flashes"
Reçu le :	2026-09-30
Source :	China Unicom (China) , China Information Communication Technologies Group (China)
AI/Question :	Q1/5
Réunion :	2026-10-20
Disponibilité :	Réservé aux utilisateurs TIES [UIT-T]
Résumé :	This contribution provides the first draft revision of ITU-T K.47 " Protection of telecommunication lines against direct lightning flashes". In this draft, the revision points include: Revision about the references Some revision about the note in Clause 9.1"Requirements for cable installation" Adding Appendix III "The practical experience on the insulation mode for optical fibre cables in China"