Circuits at the interface C2 of the data transmission equipment with the terminals in the consequent data input-output. Nomenclature and technical requirements
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Joint J1-VFRCH systems of data transmission. Basic parameters at the interface
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Interface circuits C2 of data transmission system. Electric parameters
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Data-transmission channels. Control parameters and requirements for junction circuits
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Digital fibre-optics system joints of unified automated communication circuit (UACC) primary network transmission. Nomenclature and main parameters
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State system for ensuring the uniformity of measurements. Measuring set line building-out networks. Methods and means for checking
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Digital integrated communication network. Common-channel signalling system. General technical requirements.
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See the state registration book
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Electro-magnetic compatibility of multi-channel cable transmission systems. Terms and definitions.
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