ATIS Telecom Glossary
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Ib
The 4-wire (2-pair) bidirectional primary rate (PR) interface point on the user side of the termination equipment (i.e., NT1 and NT2), including the equipment connecting cord or equivalent on the network side of the interface cable. [T1.408-1990]

 

 

 

 

 

 

 

 

 

 



 
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