33.040.01

Telecommunication systems in general

33.040.20

Transmission systems

33.040.30

Switching and signalling systems

33.040.35

Telephone networks

33.040.40

Data communication networks

33.040.50

Lines, connections and circuits

33.040.60

Powerline telecommunications

33.040.99

Other equipment for telecommunication systems
BS EN 61643-312:2013

BS EN 61643-312:2013

Active Most Recent

Components for low-voltage surge protective devices Selection and application principles gas discharge tubes

€269.00

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BS ISO/IEC TR 15294:2000

BS ISO/IEC TR 15294:2000

Active Most Recent

Information technology. Methods for data flow control at synchronous and asynchronous DTE-DCE interfaces

€165.00

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BS EN 50065-7:2001

BS EN 50065-7:2001

Active Most Recent

Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148.5 Equipment impedance

€269.00

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BS IEC 61334-3-1:1998

BS IEC 61334-3-1:1998

Active Most Recent

Distribution automation using distribution line carrier systems. Mains signalling requirements Frequency bands and output levels

€193.00

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BS EN 61603-6:2002

BS EN 61603-6:2002

Active Most Recent

Transmission of audio and/or video and related signals using infra-red radiation Video audio-visual

€193.00

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BS EN 50065-4-3:2003

BS EN 50065-4-3:2003

Superseded Historical

Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148.5 kHz. Low voltage decoupling filters Incoming filter

€165.00

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BS EN 61334-6:2001

BS EN 61334-6:2001

Active Most Recent

Distribution automation using distribution line carrier systems A-XDR encoding rule

€316.00

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BS EN 61334-4-511:2001

BS EN 61334-4-511:2001

Active Most Recent

Distribution automation using distribution line carrier systems. Data communication protocols Systems management. CIASE protocol

€316.00

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BS EN 50065-4-4:2003

BS EN 50065-4-4:2003

Superseded Historical

Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148.5 kHz. Low voltage decoupling filters Impedance filter

€165.00

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PD IEC TR 62056-41:1998

PD IEC TR 62056-41:1998

Active Most Recent

Electricity metering. Data exchange for meter reading, tariff and load control using wide area networks. Public switched telephone network (PSTN) with LINK+ protocol

€316.00

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BS EN 61334-5-1:2001

BS EN 61334-5-1:2001

Active Most Recent

Distribution automation using distribution line carrier systems. Lower layer profiles The spread frequency shift keying (S-FSK) profile

€374.00

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BS EN 61334-4-512:2002

BS EN 61334-4-512:2002

Active Most Recent

Distribution automation using distribution line carrier systems. Data communication protocols System management profile 61334-5-1. Management Information Base (MIB)

€269.00

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BS EN 50065-2-2:2003

BS EN 50065-2-2:2003

Active Most Recent

Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 Immunity requirements for mains communications equipment and systems operating of frequencies 95 intended use industrial environments

€193.00

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BS 4727-3:Group 16:1992

BS 4727-3:Group 16:1992

Active Most Recent

Glossary of electrotechnical, power, telecommunication, electronics, lighting and colour terms. Terms particular to telecommunications electronics Switching signalling in

€404.00

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BS ISO/IEC 10177:1993

BS ISO/IEC 10177:1993

Active Most Recent

Information technology. Telecommunications and information exchange between systems. Provision of the connection-mode Network internal layer service by intermediate systems using ISO/IEC 8208, the X.25 Packet Layer Protocol

€316.00

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