ITU

Committed to connecting the world

ITU-T Recommendations

Search by number:
Others:
Skip Navigation Links
Advanced search
Provisional name
ISO/IEC Number
Formal description
Study Groups tree viewExpand Study Groups tree view

ITU-T K.45 (11/2011)

عربي | 中文 | English | Español | Français | Русский
Resistibility of telecommunication equipment installed in the access and trunk networks to overvoltages and overcurrents
Recommendation ITU-T K.45 specifies resistibility requirements and test procedures for telecommunication equipment installed between telecommunication centres and between a telecommunication centre and the 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 a.c. power lines or railway systems, earth potential rise due to power faults, direct contact between telecommunication lines and power lines and electrostatic discharges.

Major changes compared with the 2008 version of this Recommendation include:
• updating the references;
• informing when to add protection to untested ports;
• adding test requirements for external coaxial cable ports.
Citation: http://handle.itu.int/11.1002/1000/11423
Approval date: 2011-11-13
Provisional name:K.ran
Approval process:AAP
Status: In force
Maintenance responsibility: ITU-T Study Group 5
Further details: Patent statement(s)
Development history
[9 related work items in progress]
Ed. ITU-T Recommendation Status Summary Table of Contents Download
4 K.45 (11/2011) In force
here
here
here
3 K.45 (04/2008) Superseded
here
here
here
2 K.45 (07/2003) Superseded
here
here
here
1 K.45 (02/2000) Superseded
here
here
here