[SI-LIST] Tip & Ring Signals -Reg

  
Hi all,
I am a new user.

This is the 12 layer ADSL  line card and regarding giving
earth shield pouring.

I am routing  24 differential pairs of tip@ring signals from the transformer to 
the  CPCI Connector in the layout. 
I would like to know 

1. How if Earth Shield is poured in between the  tip@ring signal
   routing plays the role.

Whether earth shield helps in any way to this differential signal.

The shield is shorted in the backplane with the ground,and kept sperately in 
the line card.

Expecting your reply

With Regard,
Suresh Kumar.R

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