Note that the terms contained herein are not intended to be rigorous definitions but rather to reflect common usage in the lexicon of the cable television industry.

absorption (optical) Attenuation of optical signals due to conversion of optical energy into heat energy.

actives Components that handle signals and that require power. Examples are line amplifiers and nodes.

adaptive equalizer A circuit (or software) that compensates for signal degradation in a path by adjusting taps in a delay circuit until the recovered waveform is as good as it can get.

addressability The ability to remotely control parameters of the subscriber’s reception of signals by transmitting signals addressed to that subscriber’s equipment.

AGC Automatic gain ...

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