K.1
|
[Withdrawn] Connection to earth of an audio-frequency telephone line in cable
Deleted after its content became technically out of date
|
K.2
|
[Withdrawn] Protection of repeater power-feeding systems against interference from neighbouring electricity lines
Deleted after its content became technically out of date
|
K.3
|
[Withdrawn] Interference caused by audio-frequency signals injected into a power distribution network
Deleted after its content became technically out of date
|
K.4
|
[Withdrawn] Disturbance to signalling
Deleted after its content became technically out of date
|
K.5
|
Joint use of poles for electricity distribution and for telecommunications
|
K.6
|
Precautions at crossings
|
K.7
|
Protection against acoustic shock
|
K.8
|
Separation in the soil between telecommunication cables and earthing system of power facilities
|
K.9
|
Protection of telecommunication staff and plant against a large earth potential due to a neighbouring electric traction line
|
K.10
|
Low frequency interference due to unbalance about earth of telecommunication equipment
|
K.11
|
Principles of protection against overvoltages and overcurrents
|
K.12
|
Characteristics of gas discharge tubes for the protection of telecommunications installations
|
K.13
|
Induced voltages in cables with plastic-insulated conductors
|
K.14
|
Provision of a metallic screen in plastic-sheathed cables
|
K.15
|
[Withdrawn] Protection of remote-feeding systems and line repeaters against lightning and interference from neighbouring electricity lines
|
K.16
|
[Withdrawn] Simplified calculation method for estimating the effect of magnetic induction from power lines on remote-fed repeaters in coaxial pair telecommunication systems
Rec. K.16 was withdrawn because it deals only with calculation methods contained in the "Directives - Volume II: Calculating induced voltages and currents in practical cases" without giving any limit
|
K.17
|
[Withdrawn] Tests on power-fed repeaters using solid-state devices in order to check the arrangements for protection from external interference
|
K.18
|
Calculation of voltage induced into telecommunication lines from radio station broadcasts and methods of reducing interference
|
K.19
|
Joint use of trenches and tunnels for telecommunication and power cables
|
K.20
|
Resistibility of telecommunication equipment installed in a telecommunication centre to overvoltages and overcurrents
|
K.21
|
Resistibility of telecommunication equipment installed in customer premises to overvoltages and overcurrents
|
K.22
|
[Withdrawn] Overvoltage resistibility of equipment connected to an ISDN T/S bus
|
K.23
|
Types of induced noise and description of noise voltage parameters for ISDN basic user networks
|
K.24
|
Method for measuring radio-frequency induced noise on telecommunications pairs
|
K.25
|
[Withdrawn] Protection of optical fibre cables
This Recommendation was deleted on 2013-01-25 since its requirements have been incoroporated in revised Rec ITU-T K.47 (05/2012)
|
K.26
|
Protection of telecommunication lines against harmful effects from electric power and electrified railway lines
|
K.27
|
Bonding configurations and earthing inside a telecommunication building
|
K.28
|
Parameters of thyristor-based surge protective devices for the protection of telecommunication installations
|
K.29
|
Coordinated protection schemes for telecommunication cables below ground
|
K.30
|
[Withdrawn] Self-restoring overcurrent protectors
|
K.31
|
[Withdrawn] Bonding configurations and earthing of telecommunication installations inside a subscriber's building
ITU-T K.31 was deleted on 2008-08-09 after the incorporation of the relevant part of this Recommendation in ITU-T K.73 (2008)
|
K.32
|
[Withdrawn] Immunity requirements and test methods for electrostatic discharge to telecommunication equipment - Generic EMC Recommendation
The content of this Recommendation has been superseded by ITU-T K.43 (1998) and K.48 (2000)
|
K.33
|
[Withdrawn] Limits for people safety related to coupling into telecommunications system from a.c. electric power and a.c. electrified railway installations in fault conditions
ITU-T K.33 was deleted on 2008-08-09 after the incorporation of the relevant information contained in this Recommendation into the revised the Directives Volume VI (2008)
|
K.34
|
Classification of electromagnetic environmental conditions for telecommunication equipment - Basic EMC Recommendation
|
K.35
|
Bonding configurations and earthing at remote electronic sites
|
K.36
|
Selection of protective devices
|
K.37
|
Low and high frequency electromagnetic compatibility (EMC) mitigation techniques for telecommunication installations and systems - Basic EMC Recommendation
|
K.38
|
Radiated emission test procedure for physically large systems
|
K.39
|
Risk assessment of damages to telecommunication sites due to lightning discharges
|
K.40
|
Protection against lightning electromagnetic impulses in telecommunication centres
|
K.41
|
[Withdrawn] Resistibility of internal interfaces of telecommunication centres to surge overvoltages
|
K.42
|
General principle for the definition of emission and immunity requirements for telecommunication/ICT equipment
|
K.43
|
[Withdrawn] Immunity requirements for telecommunication network equipment
This Recommendation was superseded on 4 February 2023 as its contents were included in ITU-T K.136, ITU-T K.137 and other K-series Recommendations.
|
K.44
|
Resistibility tests for telecommunication equipment exposed to overvoltages and overcurrents - Basic Recommendation
|
K.Imp44
|
Implementers' Guide for Recommendation ITU-T K.44 (2008-04)
|
K.45
|
Resistibility of telecommunication equipment installed in the access and trunk networks to overvoltages and overcurrents
|
K.46
|
Protection of telecommunication lines using metallic symmetric conductors against lightning-induced surges
|
K.47
|
Protection of telecommunication lines against direct lightning flashes
|
K.48
|
[Withdrawn] EMC requirements for telecommunication equipment - Product family Recommendation
This Recommendation was superseded on 4 February 2023 as its contents were included in ITU-T K.136, ITU-T K.137 and other K-series Recommendations.
|
K.49
|
Test requirements and performance criteria for voice terminal telephones subject to disturbance from digital mobile telecommunications systems
|
K.50
|
Safe limits for operating voltages and currents of telecommunication systems powered over the network
|
K.51
|
Safety criteria for telecommunication equipment
|
K.52
|
Guidance on complying with limits for human exposure to electromagnetic fields
|
K.53
|
[Withdrawn] Values of induced voltages on telecommunication installations to establish telecom and a.c. power and railway operators responsibilities
ITU-T K.53 was deleted on 2008-08-09 after the incorporation of the relevant information of this Recommendation in ITU-T K.68 (2008)
|
K.54
|
Conducted immunity test method and level at fundamental power frequencies
El título español fue cambiado por un erratum el 09/08/2002
|
K.55
|
Overvoltage and overcurrent requirements for insulation displacement connectors (IDC) terminations
|
K.56
|
Protection of radio base stations against lightning discharges
|
K.57
|
Protection measures for radio base stations sited on power line towers
|
K.58
|
EMC, resistibility and safety requirements and guidance for determining responsibility under co-located information and communication technology installations
|
K.59
|
Electromagnetic compatibility, resistibility and safety requirements and procedures for connection to unbundled cables
|
K.60
|
Emission levels and test methods for wireline telecommunication networks to minimize electromagnetic disturbance of radio services
|
K.61
|
Guidance on measurement and numerical prediction of electromagnetic fields for compliance with human exposure limits for telecommunication installations
|
K.62
|
System level radiated emissions compliance using mathematical modelling
|
K.63
|
Maintaining the suitability of production telecommunications equipment to its intended electromagnetic environment
|
K.64
|
Safe working practices for outside equipment installed in particular environments
|
K.65
|
Overvoltage and overcurrent requirements for termination modules with contacts for test ports or surge protective devices
|
K.66
|
Protection of customer premises from overvoltages
|
K.67
|
Expected surges on telecommunications and signalling networks due to lightning
|
K.68
|
Operator responsibilities in the management of electromagnetic interference by power systems on telecommunication systems
|
K.69
|
Maintenance of protective measures
|
K.70
|
Mitigation techniques to limit human exposure to EMFs in the vicinity of radiocommunication stations
|
K.71
|
Protection of customer antenna installations
|
K.72
|
Protection of telecommunication lines using metallic conductors against lightning - Risk management
|
K.73
|
Shielding and bonding for cables between buildings
|
K.74
|
Electromagnetic compatibility, resistibility and safety requirements for home network devices
|
K.75
|
Classification of interface for application of standards on resistibility and safety of telecommunication equipment
|
K.76
|
Electromagnetic compatibility requirements for DC power ports of telecommunication network equipment in frequencies below 150 kHz
|
K.77
|
Characteristics of metal oxide varistors for the protection of telecommunication installations
|
K.78
|
High altitude electromagnetic pulse immunity guide for telecommunication centres
|
K.79
|
Electromagnetic characterization of the radiated environment in the 2.4 GHz ISM band
|
K.80
|
EMC requirements for telecommunication network equipment in the frequency range 1 GHz-40 GHz
|
K.81
|
High-power electromagnetic immunity guide for telecommunication systems
|
K.82
|
Characteristics and ratings of solid-state, self-restoring overcurrent protectors for the protection of telecommunications installations
|
K.83
|
Monitoring of electromagnetic field levels
|
K.84
|
Test methods and guide against information leaks through unintentional electromagnetic emissions
|
K.85
|
Requirements for the mitigation of lightning effects on home networks installed in customer premises
|
K.86
|
Method for measuring longitudinal conversion loss (9 kHz - 30 MHz)
|
K.87
|
Guide for the application of electromagnetic security requirements - Overview
|
K.88
|
[Withdrawn] EMC requirements for next generation network equipment
This Recommendation was superseded on 4 February 2023 as its contents were included in ITU-T K.136, ITU-T K.137 and other K-series Recommendations.
|
K.89
|
Protection of persons inside a structure using telecommunication services provided by metallic conductors against lightning - Risk management
|
K.90
|
Evaluation techniques and working procedures for compliance with exposure limits of network operator personnel to power-frequency electromagnetic fields
|
K.91
|
Guidance for assessment, evaluation and monitoring of human exposure to radio frequency electromagnetic fields
|
K.92
|
Conducted and radiated electromagnetic environment in home networking
|
K.93
|
Immunity of home network devices to electromagnetic disturbances
|
K.94
|
Mutual disturbance test method for evaluating performance degradation of converged terminal devices
|
K.95
|
Surge parameters of isolating transformers used in telecommunication devices and equipment
|
K.96
|
Surge protective components: Overview of surge mitigation functions and technologies
|
K.97
|
Lightning protection of distributed base stations
|
K.98
|
Overvoltage protection guide for telecommunication equipment installed in customer premises
|
K.99
|
Surge protective component application guide - Gas discharge tubes
|
K.100
|
Measurement of radio frequency electromagnetic fields to determine compliance with human exposure limits when a base station is put into operation
|
K.101
|
Shielding factors for lightning protection
|
K.102
|
Parameters of fixed-voltage thyristor overvoltage protector components used for the protection of telecommunication installations
|
K.103
|
Surge protective component application guide - Silicon PN junction components
|
K.104
|
Method for identifying the transfer potential of the earth potential rise from high or medium voltage networks to the earthing system or neutral of low voltage networks
|
K.105
|
Lightning protection of photovoltaic power supply systems feeding radio base stations
|
K.106
|
Techniques to mitigate interference between radio devices and cable or equipment connected to wired broadband networks and cable television networks
|
K.107
|
Method for determining the impedance to earth of earthing systems
|
K.108
|
Joint use of poles by telecommunication and solidly earthed power lines
|
K.109
|
Installation of telecommunication equipment on utility poles
|
K.110
|
Lightning protection of the dedicated transformer for radio base stations
|
K.111
|
Protection of surrounding structures of telecommunication towers against lightning
|
K.112
|
Lightning protection, earthing and bonding: Practical procedures for radio base stations
|
K.113
|
Generation of radiofrequency electromagnetic field level maps
|
K.114
|
Electromagnetic compatibility requirements and measurement methods for digital cellular mobile communication base station equipment
|
K.115
|
Mitigation methods against electromagnetic security threats
|
K.116
|
Electromagnetic compatibility requirements and test methods for radio telecommunication terminal equipment
|
K.117
|
Primary protector parameters for the surge protection of equipment Ethernet ports
|
K.118
|
Requirements for lightning protection of fibre to the distribution point equipment
|
K.119
|
Conformance assessment of radio base stations regarding lightning protection and earthing
|
K.120
|
Lightning protection and earthing of a miniature base station
|
K.121
|
Guidance on the environmental management for compliance with radio frequency EMF limits for radiocommunication base stations
|
K.122
|
Exposure levels in close proximity of radiocommunication antennas
|
K.123
|
Electromagnetic compatibility requirements for electrical equipment in telecommunication facilities
|
K.124
|
Overview of particle radiation effects on telecommunication systems
|
K.125
|
Dangerous effects and protective measures against electromagnetic disturbances when an Internet data centre is co-sited with a high-voltage substation
|
K.126
|
Surge protective component application guide - High frequency signal isolation transformers
|
K.127
|
Immunity requirements for telecommunication equipment in close proximity use of wireless devices
|
K.128
|
Surge protective component application guide - metal oxide varistor (MOV) components
|
K.129
|
Characteristics and ratings of silicon PN junction voltage clamping components used for the protection of telecommunication installations
|
K.130
|
Neutron irradiation test methods for telecommunication equipment
|
K.131
|
Design methodologies for telecommunication systems applying soft error measures
|
K.132
|
Electromagnetic compatibility requirements of electromagnetic disturbances from lighting equipment located in telecommunication facilities
|
K.133
|
Electromagnetic environment of body-worn equipment in the 2.4 GHz and 13.56 MHz industrial, scientific and medical band
|
K.134
|
Protection of small-size telecommunication installations with poor earthing conditions
|
K.135
|
Technical parameters for residual current operated protective devices with automatic reclosing feature for telecom applications
|
K.136
|
Electromagnetic compatibility requirements for radio telecommunication equipment
|
K.137
|
Electromagnetic compatibility requirements and measurement methods for wireline telecommunication network equipment
|
K.138
|
Quality estimation methods and application guidelines for mitigation measures based on particle radiation tests
|
K.139
|
Reliability requirements for telecommunication systems affected by particle radiation
|
K.140
|
Surge protective component application guide - Fuses
|
K.141
|
Electromagnetic compatibility requirements for information perception equipment
|
K.142
|
Lightning protection and earthing of video surveillance systems
|
K.143
|
Guidance on safety relating to the use of surge protective devices and surge protective components in telecommunication terminal equipment
|
K.144
|
Surge protective component application guide - Self-restoring thermally activated overcurrent protectors
|
K.145
|
Assessment and management of compliance with radio frequency electromagnetic field exposure limits for workers at radiocommunication sites and facilities
|
K.146
|
Interference management for telecommunication transmissions over copper lines for signals other than speech
|
K.147
|
Protection of digital ports connected to balanced pairs of conductors
|
K.148
|
Multiservice surge protective device application guide
|
K.149
|
Passive intermodulation test methods of array antenna systems in mobile communication systems
|
K.150
|
Information of semiconductor devices required for the design of telecommunication equipment applying soft error mitigation measures
|
K.151
|
Electrical safety and lightning protection of medium voltage input and up to ±400 VDC output power system in ICT data centres and telecommunication centres
|
K.152
|
Electromagnetic compatibility requirements for power equipment in telecommunication facilities
|
K.153
|
Guidance on determining the compliance boundaries (exclusion zones) of radio transmitter installations
|
K.154
|
Operating telecommunication facilities using lightning strikes data obtained from lightning location systems
|
K.156
|
Time and spatial averaging in RF-EMF exposure assessment
|
K.157
|
Electromagnetic compatibility requirements and test methods for satellite communication terminal equipment
|
K.Sup30
|
ITU-T K.118 - Requirements for lightning protection of fibre to the distribution point equipment - Overview
|
K.Sup27
|
The 100 kHz ring wave generator
|
K.Sup1
|
ITU-T K.91 - Guide on electromagnetic fields and health
|
K.Sup2
|
ITU-T K.52 - Calculator for equivalent isotropic radiated power as described in Recommendation ITU-T K.52
|
K.Sup3
|
ITU-T K.20, K.21, K.45, K.82 - Additional criteria to protect telecommunication cabling during a power cross event
|
K.Sup4
|
ITU-T K.91 - Electromagnetic field considerations in smart sustainable cities
|
K.Sup5
|
ITU-T K.81 - Estimation examples of the high-power electromagnetic threat and vulnerability for telecommunication systems
|
K.Sup6
|
ITU-T K.115 - Measuring shielding effectiveness using normalized site attenuation in free space
|
K.Sup7
|
ITU-T K.44 - AC supply configurations
|
K.Sup8
|
Resistibility analysis of 5G systems
|
K.Sup9
|
5G technology and human exposure to radiofrequency electromagnetic fields
|
K.Sup10
|
Analysis of electromagnetic compatibility aspects and definition of requirements for 5G mobile systems
|
K.Sup11
|
ITU-T K.131 - Soft error measures for field programmable gate arrays
|
K.Sup12
|
ITU-T K.51 - Potential hazards of narrow pin spacing in connectors
|
K.Sup13
|
Radiofrequency electromagnetic field (RF-EMF) exposure levels from mobile and portable devices during different conditions of use
|
K.Sup14
|
The impact of RF-EMF exposure limits stricter than the ICNIRP or IEEE guidelines on 4G and 5G mobile network deployment
|
K.Sup15
|
ITU-T K.20, K.21 and K.44 - Internal DC powering interface surge testing factors
|
K.Sup16
|
Electromagnetic field compliance assessments for 5G wireless networks
|
K.Sup17
|
ITU-T K.44 - Test conditions and methods information
|
K.Sup18
|
ITU-T K.44 - Causes of telecommunication system overvoltage and overcurrent conditions and their expected levels
|
K.Sup19
|
Electromagnetic field (EMF) strength inside underground railway trains
|
K.Sup20
|
ITU-T K.91 - Supplement on radiofrequency exposure evaluation around underground base stations
|
K.Sup21
|
ITU-T K.21 - Rationale for setting resistibility requirements of telecommunication equipment installed in customer premises against lightning
|
K.Sup22
|
ITU-T K.45 - Rationale for setting resistibility requirements of telecommunication equipment installed in the access and trunk networks against lightning
|
K.Sup23
|
Ethernet port surge voltages and currents
|
K.Sup24
|
ITU-T K.20 - Rationale for setting resistibility requirements of telecommunication equipment installed in a telecommunication centre against lightning
|
K.Sup25
|
ITU-T K.117 - Long reach single twisted-pair Ethernet resistibility testing
|
K.Sup26
|
ITU-T K.114 - Analysis of electromagnetic compatibility requirements and test methods of 5G active antenna system base stations
|
K.Sup28
|
Electric shock and related terms and definitions
|
K.Sup29
|
Electromagnetic field strength inside and outside of electric vehicles using wireless power transfer technology
|
K.Sup31
|
ITU-T K.118 - Requirements for lightning protection of fibre to the distribution point equipment - Modelling earth potential rise
|
K.Sup32
|
Case studies of radio frequency- electromagnetic field (RF-EMF) assessment
|