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ITU-T Study Group 5 (Study Period 2005 – 2008)
Last meeting results concerning Recommendations

Actions taken on Recommendations at 29 February 2008 Meeting of Study Group 5
(Geneva, 25-29 February 2008)

1. Revised Recommendations approved under AAP – Recommendation A.8

ITU-T Rec. No. Title Text in Doc
K.60 Emission levels and test methods for wire-line telecommunication networks in case of radio interference 2/5
K.61 Guidance to measurement and numerical prediction of electromagnetic fields for compliance with human exposure limits for telecommunication installations 3/5


2. Recommendations consented for Last Call (AAP – Recommendation A.8)

2.1 Revised Recommendations

ITU-T Rec. No. Title Text in Doc
K.58 EMC, resistibility and safety requirements and guidance for determining responsibility under co-located telecommunication installations 1/5
K.20 Resistibility of telecommunication equipment installed in a telecommunications centre to overvoltages and overcurrents 4/5
K.21 Resistibility of telecommunication equipment installed in customer premises to overvoltages and overcurrents 4/5
K.44 Resistibility tests for telecommunication equipment exposed to overvoltages and overcurrents – Basic Recommendation 4/5
K.45 Resistibility of telecommunication equipment installed in the access and trunk networks to overvoltages and overcurrents 4/5
K.46 Protection of telecommunication lines using metallic symmetric conductors against lightning-induced surges 5/5
K.47 Protection of telecommunication lines using metallic conductors against direct lightning discharges 5/5
K.68 Management of electromagnetic interference on telecommunication systems due to power systems and operators' responsibilities 9/5
K.26 Protection of telecommunication lines against harmful effects from electric power and electrified railway lines 9/5


2.2 New Recommendations

ITU-T Rec. No. Provisional Number Title Text in Doc
K.72 K.risk Protection of telecommunication lines using metallic conductors against lightning: Risk Management 5/5
K.73 K.bl Shielding and bonding for cables between buildings 6/5
K.74 K.hnw EMC, resistibility, safety requirements for home network devices 8/5
K.75 K.interface Classification of interface for application of standards on resistibility and safety of telecommunication equipment 11/5
K.76 K.low EMC requirements for telecommunication equipment - performance at low frequencies (below 150kHz) 12/5


3. Recommendations proposed for deletion

ITU-T Rec. No. Title Reason Question Note
K.33 Limits for people safety related to coupling into telecommunications system from a.c. electric power and a.c. electrified railway installations in fault conditions Incorporated in revised Vol. VI of the Directives 9/5 After publication of Vol.VI.
K.53 Values of induced voltages on telecommunication installations to establish telecom and a.c. power and railway operators responsibilities Incorporated in revised K.68 9/5 After approval of revised K.68
K.31 Bonding configurations and earthing of telecommunication installations inside a subscriber's building Incorporated in new K.73 (K.bl) 6/5 After approval of K.73 (K.bl)


4. Agreed Informative texts

ITU-T Rec. No. Title Text in Doc
Directives Vol. V Inducing currents and voltages in power transmission and distribution systems 9/5
Directives Vol. VI Danger, damage and disturbance 9/5
Mitigation HB Part 1: General
Part 2: Case studies
10/5
Guide Guide to the use of SG 5 Publications 14/5
Terminology K-series Terminology 14/5

 

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