– It is digital multiplexing technique.
– Channel is not divided on the basis of frequency but on the basis of time.
– Total time available in channel is divided between several users.
– Each users is allocated to particular time interval called time slot.
Types of TDM
1] Synchronous TDM
2] Asynchronous TDM
1] Synchronous TDM
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Number of Input = 5
Number of Slot in frame = 5
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– Each device is given some time slot to transmit the data over the link whether the device has any data to transmit or not.
– Each device place its data into the link when its time slot arrives.
– Each device is given its data onto the link when its time slot arrive.
– Each device is given the possession of line turn by turn.
– If any device doesn’t have to transmit the data then its time slot remains empty.
2] Asynchronous TDM
