General telecom

General telecom

Terms relating to telecommunication or communication through technological means.

Industry: Telecommunications

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General telecom

Digital combining

Telecommunications; General telecom

A method of interfacing digital data signals, in either synchronous or asynchronous mode, without converting the data into a quasi-analog signal.

Start-stop modulation

Telecommunications; General telecom

A method of modulation in which the time of occurrence of the bits within each character, or block of characters, relates to a fixed time frame, but the start of each character, or block of ...

Voice-frequency telegraph (VFTG)

Telecommunications; General telecom

A method of multiplexing one or more dc telegraph channels onto a nominal 4-kHz voice frequency channel. Synonym voice frequency carrier telegraph.

Synchronous crypto-operation

Telecommunications; General telecom

A method of on-line crypto-operation in which crypto-equipment and associated terminals have timing systems to keep them in step.

A method of performing transmission tests of access lines from the serving switching center, which method usually does not require the assistance of personnel at the served terminal. 2. A method of ...

Exalted-carrier reception

Telecommunications; General telecom

A method of receiving either amplitude- or phase-modulated signals in which method the carrier is separated from the sidebands, filtered and amplified, and then combined with the sidebands again at a ...

Redundancy cheque

Telecommunications; General telecom

A method of verifying that any redundant hardware or software in a communication system is in an operational condition. 2. A cheque that uses one or more extra binary digits or characters attached to ...