Transmission lines of super high frequency. Terms and definitions
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External circuits for start-stop apparatuses for alphabetic telegraphy, 5-element code. Types and basic parameters
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Circuits of the interface C2 of the data transmission system. Requirements by temporary characteristics of signals by start-stop and synchronous transmissions
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Loss meters of cable line. Types and basic parameters
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External circuits for terminals document communication. Types and basic parameters
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Data transmission equipment. Devices of transformation of signals for work through the channels of voice-frequency frequency. Types and key parameters.
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Primary network for unified communication system of Russian Federation. Cable elementary sites and cable sections of transmission line. Electric norms. Test methods.
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Trunk lines and local lines Line structures. Terms and definitions.
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Conjugations of digital automatic telephone exchanges and digital transmission systems. Parameters of joints for the transmission rate of 2048 kbit / s, the measurement technique
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Transmission systems with optical amplifiers and spectral densification. Optical joints. Classification and basic parameters
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Cable, air and mixed lines of urban telephone networks. Electric performance standards
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Interfaces for digital channels and paths of basic interconnection Telecommunication network of Russian Federation. Measuring techniques for basic parameters
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