Reference details
- Reference
- EN 28877:1990
- Official title
- Information processing systems - Interface connector and contact assignments for ISDN basic access interface located at reference points S and T (ISO 8877:1987, ed. 1)
- Organisation
- CEN
- Publisher status in source
- WithdrawnThis is the status recorded in the source, not a statement that this is the latest edition.
- Source access
- 19 October 2026
Research and application
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- Electrical components and installation systems
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Questions for the evidence file
- Rating schedule
- Material and insulation data
- Installation conditions
- Assembly verification
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Legal citation
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