1
Scope
2 References
3 Definitions
3.1 Terms defined
elsewhere
3.2 Terms defined in this
Recommendation
4 Abbreviations and acronyms
5 Packaging for environmental and
mechanical protection
5.1 Environments
5.2 Sealing against
ingress of solids and fluids
5.3 Resistance to
aggressive agents
5.4 Mechanical protection
6 Thermal management
6.1 Thermal model
6.2 Operational
temperature range of the electronics
6.3 Enclosure design
7 Electrical powering
7.1 Connection to the
power grid
7.2 Remote line powering
7.3 Backup power
8 Maintenance aspects
9 Safety and environmental
aspects
9.1 Electrical safety
9.2 Vandalism and
accidental damage
9.3 External temperature
9.4 Acoustical noise
9.5 Physical obstruction
and visual integration in the environment
9.6 Electromagnetic
compatibility
Annex A – Environmental classification
A.1 Basic outdoor
environmental classes
A.2 Special conditions
Appendix I – Thermal design of above ground enclosures
I.1 Single wall,
natural convection
I.2 Vented dual wall,
natural convection
I.3 Forced convection
I.4 Air-to-air heat
exchangers
I.5 Natural and forced
ventilation
I.6 Active cooling
("chillers")
I.7 Heaters
Appendix II – Thermal properties of underground enclosures
II.1 Free or forced
convection inside
II.2 Heat exchanger
Appendix III – Example of performance specification for active
street cabinets (ground level and above ground, OG and OA)
III.1 Evaluation criteria
III.2 Test program
Appendix IV – Example of performance specification for
underground level (OS)
IV.1 Evaluation criteria
IV.2 Test program
Bibliography