71. Guide to transmission signal quality at DTE/DCE interfaces. Start-stop signal quality Part 1, (30th June 1987) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (13 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
72. Hearing aids. Magnetic field strength in audio-frequency induction loops for hearing aid purposes Part 4, (15th November 1998) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
73. Identification card systems. Inter-sector messages between devices and hosts. Acceptor to acquirer messages. (15th November 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (86 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
74. Identification card systems. Telecommunications. Integrated circuit(s) cards and terminals. Security module Part 7, (15th November 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (52 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
75. Information technology. Telecommunications and information exchange between systems. Local and metropolitan area networks. Specific requirements. Audio video bridging (AVB) systems Part 1BA, (20th April 2023) 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) ↗
76. Information technology. Telecommunications and information exchange between systems. Local and metropolitan area networks. Specific requirements. Demand-priority access method, physical layer and repeater specifications Part 12, (15th May 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (454 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
77. Information technology. Telecommunications and information exchange between systems. Private integrated services network. Inter-exchange signalling protocol. Common information additional network feature. (15th March 1999) 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) ↗
78. Information technology. Telecommunications and information exchange between systems. Private integrated services network. Specification, functional model and information flows. Call interception additional network feature. (15th December 1997) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (40 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
79. Low speed digital signals for use in coal mines. Specification for message protocols Part 3, (31st January 1985) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (26 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
80. Low-voltage surge protective devices. Surge protective devices connected to telecommunications and signalling networks. Selection and application principles Part 22, (30th April 2016) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (68 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗