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TDM Last modified: Tuesday, June 15, 2004
Short for Time Division Multiplexing, a type of multiplexing that combines data streams by assigning each stream a different time slot in a set. TDM repeatedly transmits a fixed sequence of time slots over a single transmission channel. Within T-Carrier systems, such as T-1 and T-3, TDM combines Pulse Code Modulated (PCM) streams created for each conversation or data stream.
	Related Categories Communications Multiplexing Related Terms 802.16 Aloha asterisk CDMA demultiplex EDFA FDM leased line modulate multiplex OFDM pulse code modulation T-1 carrier T-3 carrier TDMA WCDMA WDM