In frequency division multiplexing,the combined signals are digital.
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Q11: A T-1 system sends the equivalent of
Q12: As with a simple connection between one
Q13: A T-1 system continuously sends a signal,even
Q14: The T-1 system is a classic application
Q15: SDH was developed in Europe by ITU-T.
Q17: Cell phones are an example of dynamically
Q18: Multiplexing is a technique typically performed at
Q19: WDM supports multiple lambdas.
Q20: Wavelength division multiplexing (WDM)is,in essence,a time division
Q21: _ is the assignment of nonoverlapping frequency
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