ADM-1/4 SDH Applications

 SDH STM-1/4 ring Access to SDH STM-16/64 backbone 
 
 
 
           Ring are most typical optical applications.                 Ring are most typical optical applications.   



  E1, E3, FE, GE, STM-1 access point-to-point 



 Card & section protection
 
 
 
          Access point to point are most typical optical applications.           ESSI buss for crossconnect stacking and/or card protection.
 


Radio protected optical SDH
 


STM-4 rings interconnection
   
           Ideal solution for radio optical applications.            ESSI buss for crossconnect stacking and/or card protection. 
 


SDH STM-access to the STM-1 radio relay
 


Microwave radio STM-1 ring