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In space division switching,there is a dedicated path established between the callin and called subscribers for the entire duration of call.This meams the speech siganls are transferred between them in the duration.The time format of T1 or E1,the PCM samples occurs at 125 microsecond.Now the dedicated switching elements remains unsed for almost 120 microseconds.This the defect of space division switching.

In terms of architecture, crossbars,matrix,contact everything are placed separetly in the board

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Advantages of space division switching over time division switching?

Space division multiplexing uses spacing to separate channels in a communications link. These separations may be done by frequency, insulation, or distance (spacing). Time division multiplexing is one way of doing the spacing separation. Space division multiplexing may use other techniques, such as TDM, FDM, etc., to maintain separation so that the conversations do not collide with each other.


What is space switching?

In space division switching,there is a dedicated path established between the callin and called subscribers for the entire duration of call.This meams the speech siganls are transferred between them in the duration.The time format of T1 or E1,the PCM samples occurs at 125 microsecond.Now the dedicated switching elements remains unsed for almost 120 microseconds.This the defect of space division switching. In terms of architecture, crossbars,matrix,contact everything are placed separetly in the board


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Switching System 1.Manual Switching 2.Automatic Switching 2.a Electromechanical 2.a.1 Strowger 2.a.2 Crossber 2.b Electronics 2.b.1 Space Division 2.b.2 Time Division 2.b.2.1 Analog 2.b.2.2 Digital 2.b.2.2.1 Space 2.b.2.2.2 Time 2.b.2.2.3 Combination


What do mean by time division switching?

Time division space switching:-suppose there are 'n' input lines and 'n' output lines connected to the bus each via switches.The switches being controlled by the decoder using the counters and control memory etc.So in the most basic form there is a counter connected to an n to 2^n decoder which controls the connection of the input and the output line to the bus.2 basic types are:input controlled time division switchingoutput controlled time division switching


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