31. Open Systems Interconnection: session symmetric synchronization service (ISO/DIS 8326 DAD 1). (30th September 1985) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (50 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
32. Tracked Changes. Multicore and symmetrical pair/quad cables for digital communications. Symmetrical single pair cables with transmission characteristics up to 1, 25 GHz. Horizontal floor wiring. Sectional specification Part 11, (1st June 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (76 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗