1. Alarm systems. Alarm transmission systems and equipment. Requirements for common protocol for alarm transmission using the Internet Protocol (IP) Part 9, (26th November 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (58 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Alarm systems. Alarm transmission systems and equipment. Requirements for equipment used in systems with digital communicators using the public switched telephone network Part 2-3, (15th June 1998) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
3. Alarm systems. Alarm transmission systems and equipment. Requirements for Receiving Centre Transceiver (RCT) Part 3, (13th May 2021) 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) ↗
4. Alarm systems. Alarm transmission systems and equipment. Requirements for Supervised Premises Transceiver (SPT) Part 2, (27th July 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (34 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
5. Alarm systems. Alarm transmission systems and equipment. Requirements for systems using dedicated alarm paths Part 1-2, (15th June 1998) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
6. Alarm systems. Alarm transmission systems and equipment. Requirements for systems with digital communicators using the public switched telephone network Part 1-3, (15th June 1998) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
7. Apparatus for connection to private circuits run by certain public telecommunication operators. Specification for apparatus for connection to digital circuits according to CCITT Recommendation X.21 bis Part 7, (15th July 1993) 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) ↗
8. Apparatus for connection to private circuits run by certain public telecommunication operators. Specification for apparatus for connection to digital circuits according to CCITT Recommendation X.21 bis Part 7, (31st December 1990) 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) ↗
9. Apparatus for connection to private circuits run by certain public telecommunication operators. Specification for apparatus for connection to digital circuits with interfaces according to CCITT G-series Recommendations. Section 8.1: G.703 services at 2 048 kbits/s and 8 448 kbits/s Part 8.1, (15th August 2000) 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) ↗
10. Apparatus for connection to private circuits run by certain public telecommunication operators. Specification for apparatus forconnection to digital circuits with interfaces according to CCITT G-series Recommendations. G.703 services at 2048 kbit/s and 8448 kbit/s Part 8-8.1, (31st October 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) ↗