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- In a frequency-division multiplexed (FDM) transmission system, the absolute power level of the composite signal transmitted in one direction. Note 1: The absolute power level is referred to a zero transmission level point (0TLP). Note 2: The composite signal contains signaling, speech, and digital signals.
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- composite color, drop and insert, erect position, frequency-division multiplexing (FDM), inverted position, multichannel, TDMA (Time Division Multiple Access)