[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 :	ITU-T SG05 (Study Period 2025) Contribution 554
Title :	The first draft revision of ITU-T K.47 " Protection of telecommunication lines against direct lightning flashes"
Date :	2026-09-30
Source :	China Unicom (China) , China Information Communication Technologies Group (China)
AI/Question :	Q1/5
Meeting :	2026-10-20
Access :	Restricted to TIES users [ITU-T]
Abstract :	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"