Data transmission system signal conversion modulus for switched and unswitched voice frequency channels. Types and basic parameters
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System, communication, automatic, united. Terminals for telegraphic communication and data transferring. Procedures of interaction with AT-50 and ПД-200 systems
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Circuits local bipolar for telecommunication and data transferring systems. Types and basic parameters
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Signal-conversion equipment for radio voice-frequency channels. Types and basic parameters
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Control computing system and automatic telephone stations peripheral equipment joints. Joint main functional-temporal characteristics requirements
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High level data link control procedures. Frame structure
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High level data link control procedures. Elements of balanced procedures by the two-way simultaneous data communication and error recovery
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Data transmission system signal conversion modulus for unswitched voice-frequency channels. Types and basic parameters
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Elements of data transmission procedures and packet formats in the packet-switching data networks oriented to virtual connections
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Data transmission signals entering in the communication channels. Energetic parameters
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Data transmission system signal conversion modulus for physical effects. Types and basic parameters
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Data transmissions system signal conversion modulus for telegraph channels. Types and basic parameters
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