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Work item:
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K.21_Revison
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Subject/title:
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Resistibility of telecommunication equipment installed in customer premises to overvoltages and overcurrents
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Status:
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Under study
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Approval process:
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AAP
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Type of work item:
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Recommendation
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Version:
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Rev.
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Equivalent number:
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-
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Timing:
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2025 (Medium priority)
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Liaison:
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-
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Supporting members:
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ZTE Corporation, China, Brazil
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Summary:
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Recommendation ITU-T K.21 specifies resistibility requirements and test procedures for telecommunication equipment that is attached to or installed within a customer's premises. Overvoltages or overcurrents covered by this Recommendation include surges due to lightning on or near the line plant, short-term induction from adjacent alternating current (a.c.) power lines or railway systems, earth potential rise due to power faults, direct contact between telecommunication lines and power lines.
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Comment:
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This work item considers isolation breakdown requirement in light of new Ethernet implementation approaches. The other updates may be considered.
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Reference(s):
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Historic references:
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Contact(s):
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| ITU-T A.5 justification(s): |
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First registration in the WP:
2023-06-28 09:39:54
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Last update:
2024-07-02 14:31:26
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