1. BS EN IEC 60794-2-21 AMD1. Optical fibre cables. Part 2-21. Indoor cables. Detailed specification for multi-fibre optical distribution cables for use in premises cabling (3rd July 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (7 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗