Question 11/5 - Safety in the telecommunications networks
(Continuation of Question 11/5)
Motivation
Study Group 5 has produced safety recommendations which provide key information to the telecommunications industry on the:
– safety requirements for telecommunication equipment;
– safe working practices for network operator personnel.
This question will provide the route for the maintenance of these recommendations. The question will determine when these documents need updating or amending and ultimately provide guidance on when they can be deleted and when a new safety subject needs to be studied.
The following Recommendations, in force at the time of approval of this Question, fall under its responsibility:
K.50, K.51 and K.64.
Question
This question will review existing K-series safety recommendations to ensure that they remain accurate and appropriate to the telecommunications industry and environment. It will ensure that changes in the environment or in technology (for example the introduction of new broadband systems) will produce an updated version to ensure that these documents remain current and valid.
This question may recommend further areas of study.
Study items to be considered include, but are not limited to:
- Risk of people injury due to overvoltages and overcurrents on telecommunication lines due to lightning (high
priority)
- Applying IEC 60950 standard to network telecommunication equipment and IEC TR 62102 for classifying equipment interfaces (medium
priority)
- Effects of induced voltages by electric power and railway lines in normal conditions on safety voltage limits on telecommunication lines.
Tasks
Tasks include, but are not limited to:
- A new Recommendation on reduction of risk of injury to people (telecom personnel and user of the telecom network) due to overvoltages and overcurrents on telecommunication lines due to lightning.
- Maintenance and enhancement of existing recommendations.
- Guide on applying IEC 60950 standard to network telecommunication equipment and IEC TR 62102 for classifying equipment interfaces, if necessary.
Relationships
-
Recommendations: K-series
- Questions: 4, 5, 9 and 13/5
- Standardization bodies: ITU-R WP 6Q, IEC TC 108, ETSI
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