Friday 13 August 2021

Draw the diagram of two fiber UPSR and explain how it is useful in stand by mode of continuous fiber optic communication

 

Draw the diagram of two fiber UPSR and explain how it is useful in stand by mode of continuous fiber optic communication
Block Diagram of Two fiber UPSR









The full form of UPSR is Two Fiber Unidirectional Path Switched Ring (UPSR).
Normally the working of traffic travels clockwise around the ring on primary path.


Connection from Node 1 to Node 3 links 1 & 2.
Traffic clockwise path is the protection path, if the link or Node fails, protection path (Link 5 to 8) is indicated by dashed lines.


To achieve protection, signals from a transmitting Node is a dual fed into both primary and protection fiber.


1 comment:

Anonymous said...

It's helpful

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