51. High-level data link control (HDLC) procedures. Specification for general purpose XID frame information field content and format (including parameters for parameter negotiation and multilink subfields) Part 9, (31st May 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (15 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
52. High-level data link control (HDLC) procedures. Specification for multilink procedures Part 6, (31st May 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
53. High-level data link control (HDLC) procedures. Specification for X.25 LAPB-compatible DTE data link procedures Part 7, (29th June 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (30 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
54. Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS). Environmental conditions Part 2, (21st July 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (20 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
55. Home and building electronic systems (HBES) and building automation and control systems (BACS). General functional safety requirements for products intended to be integrated in HBES and BACS Part 4, (7th September 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (36 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
56. Home and Building Electronic Systems (HBES) and Building Automation and Control Systems (BACS). General requirements Part 1, (30th June 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
57. Home and Building Electronic Systems (HBES). Media and media dependent layers. Power line for HBES Class 1 Part 5-1, (4th May 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (32 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
58. Home and building electronic systems (HBES). System overview. Architecture Part 2-1, (15th September 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
59. Industrial communication networks. Fieldbus specifications. (30th April 2015) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (290 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
60. Industrial communication networks. Fieldbus specifications. Data-link layer protocol specification. Type 2 elements Part 4-2, (28th April 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (408 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗