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� Home : ITU-T : Publications : Recommendations : Q�Series : Q.512
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Q.512�:�Digital exchange interfaces for subscriber access �

Recommendation Q.512

In force components
Number
 Title Status
Q.512 (02/95)
� 		Digital exchange interfaces for subscriber access � In force
�
�
Superseded and Withdrawn components
Number
 Title Status
Q.512 (11/88)
� 		Exchange interfaces for subscriber access �
Replaces Q.502 (1984) and Q.512 (1984) 		Superseded

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