51. Dynamic modules. Round robin measurement results for group delay ripple of tunable dispersion compensators Part 6-3, (31st July 2010) 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) ↗
52. Electricity metering data exchange. Lower layer PLC profile using Adaptive Multi Carrier Spread-Spectrum (AMC-SS) modulation. (31st May 2015) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (140 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
53. Electricity metering data exchange. The DLMS/COSEM suite. SMITP B-PSK PLC communication profile for neighbourhood networks. Including: The Original-SMITP PLC BPSK communication profile, The Original-SMITP Local data exchange profile and The Original-SMITP IP communication profile Part 8, (31st May 2015) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (294 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
54. Electricity metering data exchange. The DLMS/COSEM suite. Use of local area networks on twisted pair with carrier signalling Part 3-1, (7th September 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (132 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
55. Electricity metering. Data exchange for meter reading, tariff and load control. Use of local area networks on twisted pair with carrier signalling Part 31, (15th December 2000) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (90 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
56. Electroacoustics. Hearing aids. Induction-loop systems for hearing aid purposes. System performance requirements Part 4, (30th April 2018) 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) ↗
57. Electromagnetic compatibility (EMC). Environment. Compatibility levels for low-frequency conducted disturbances and signalling in public low-voltage power supply systems Part 2-2, (30th June 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (44 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
58. Electromagnetic compatibility (EMC). Limits. Guide to signalling on low-voltage electrical installations. Emission levels, frequency bands and electromagnetic disturbance levels Part 3-8, (15th February 2000) 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) ↗
59. Electromagnetic compatibility (EMC). Testing and measurement techniques. Harmonics and interharmonics including mains signalling at a.c. power port, low frequency immunity tests Part 4-13, (31st July 2016) 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) ↗
60. Essential requirements for terminal equipment intended for connection to digital leased circuits of the public telecommunications network using a CCITT Recommendation X.21bis interface. (15th January 1995) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗