Importance

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Abstract

An apparatus is used for mapping digital signal data in a data packet of a packet clock having a plurality of clock pulses wherein the data packet is composed of information data and the digital data. The ratio of the number of bits of the information data with respect to the number of bits in the data packet is M/N with M and N being positive integers and the information data includes overhead data bits and one or more data bits. The apparatus comprises a counter for counting the clock pulses to provide counted values; a gapping signal generator for generating gapping control signals based on the counted values and the ratio M/N, wherein an M number of gapping control signals are generated for every N clock pulses; and gapping device for finding overhead data bits among the information data and gapping clock pulses corresponding to the overhead data bits in response to the gapping control signals.

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First Claim