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Q.552 : Transmission characteristics at 2-wire analogue interfaces of digital exchanges

Recommendation Q.552

In force components
Number
Title Status
Q.552 (11/01)
 
Transmission characteristics at 2-wire analogue interfaces of digital exchanges   In force
 
 
Superseded and Withdrawn components
Number
Title Status
Q.552 (11/88)
 
Transmission characteristics at 2-wire analogue interfaces of digital exchange  
Replaces Q.507 (1984) and Q.517 (1984)
Superseded
Q.552 (01/94)
 
Transmission characteristics at 2-wire analogue interfaces of digital exchanges   Superseded
Q.552 (11/96)
 
Transmission characteristics at 2-wire analogue interfaces of digital exchanges   Superseded

 

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Updated : 2008/04/24