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Q.542 : Digital exchange design objectives - Operations and maintenance  

Recommendation Q.542

In force components
Number
 Title Status
Q.542 (03/93)
  		Digital exchange design objectives - Operations and maintenance   In force
 
 
Superseded and Withdrawn components
Number
 Title Status
Q.542 (11/88)
  		Digital exchange design objectives - Operations and maintenance  
Replaces Q.506 (1984) and Q.516 (1984) 		Superseded

 

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Updated : 2008/04/24