NBN EN 60917-2 : 1996

Cooperating organizations
National foreword
Foreword
Introduction
1. Scope and object
2. Normative references
3. Terminology
3.1 Special word usage
3.2 Definitions
4. Structuring
5. Arrangement of the equipment practice
6. Coordination dimensions for cabinets and racks
6.1 Dimensioning of pitches
6.2 Coordination dimensions
6.2.1 Height dimensions (cabinets and racks)
6.2.2 Width dimensions (cabinets and racks)
6.2.3 Depth dimensions (cabinets and racks)
6.3 Selection of co-ordination dimensions
7. Coordination dimensions for subracks
7.1 Height dimensions (subracks)
7.2 Width dimensions (subracks)
7.3 Depth dimensions (subracks)
8. Chassis
9. Plus-in units
10. Printed board dimensions
11. Backplane dimensions
Annex ZA (normative) Other international publications
quoted in this standard with the references of the
relevant European publications
National annex NA (informative) Committees responsible
National annex NB (informative) Cross-references

Defines a sectional specification for the mechanical structure of a 25 mm equipment practice to provide for dimensional compatibility at mechanical interfaces with related engineering applications. Creates the optimum conditions for the application of computer aided methods throughout design and manufacture. Coverage includes terminology, structuring, height dimensions, width dimensions, depth dimensions, chassis, plug in units and backplane dimensions.