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  • BSI
    BS 6353:1983 Specification for underground loudspeaker communication systems in coal mines
    Edition: 1983
    $281.30
    / user per year

Description of BS 6353:1983 1983

This British Standard specifies requirements for underground loudspeaker communication systems that are equipped with the facility for connecting speech and other audio signals to another loudspeaker communication system and/or to an appropriate surface switchboard to form a loudspeaker communication network.

Electrical input and output characteristics of underground loudspeaker communication systems necessary to achieve operational compatibility when they are interconnected are specified.

The requirements for tone signals specified in clause 5 do not apply to signals that are not transmitted to another system.

This standard is applicable to underground loudspeaker communication systems that are intended to be certified intrinsically safe for use in coal mines in accordance with BS 5501-9 for group I category “ia” systems.

This standard is not applicable to mine telephone systems.

NOTE 1 Further requirements for intrinsic safety are specified in BS 1259 and BS 5501-7.

NOTE 2 The titles of the publications referred to in this standard are listed on the inside back cover.



Specifies electrical interface characteristics, interconnection facilities, tone signals and transmission distance.

Standard NumberBS 6353:1983
TitleSpecification for underground loudspeaker communication systems in coal mines
StatusConfirmed
Publication Date1983-04-29
DescriptorsCommunication networks, Circuits, Voltage, Loudspeakers, Coal mining, Electrical safety, Output impedance, Safety devices, Mines, Telephone systems, Network parameters, Signal level, Mining equipment, Input impedance, Overvoltage protection, Audio systems, Overcurrent protection, Underground, Audio equipment, Electrical protection equipment, Speech transmission systems, Communication cables, Electric cables, Communication equipment, Acoustic couplers
ICS73.100.99 Other mining equipment, 33.160.50 Accessories
CommitteeW/-
ISBN0 580 11939 4
PublisherBSI
Pages12

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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