General telecom

General telecom

Terms relating to telecommunication or communication through technological means.

Industry: Telecommunications

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General telecom

quasi-random signal (QRS)

Telecommunications; General telecom

A signal consisting of a bit sequence that approximates a random signal. The unframed QRS (QRSS, QRTS, QRW) for DS1 consists of a PRBS with a 20-stage shift register with a constraint that forces the ...

composite synchronization

Telecommunications; General telecom

A signal consisting of horizontal sync pulses, vertical sync pulses, and equalizing pulses only.

request acknowledgment

Telecommunications; General telecom

A signal from a network in response to an access request, indicating the network's readiness to accept address information.

request-repeat (RQ) signal

Telecommunications; General telecom

A signal from a receiver to a transmitter asking that a message be transmitted again.

flash

Telecommunications; General telecom

A signal generated by the momentary depression of the telephone switchhook or other device. Note: A flash may be used to request additional services. 2. An on-hook signal of a defined duration, used ...

component analog video (CAV)

Telecommunications; General telecom

A signal in which an analog voltage or current, rather than a set of numbers, represents the value of a pixel. Synonym analog component.

digital signal (DS)

Telecommunications; General telecom

A signal in which discrete steps are used to represent information. Note 1: In a digital signal, the discrete steps may be further characterized by signal elements, such as significant conditions, ...