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IEEE 1051

1988 Edition, March 10, 1988

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Recommended Practice for Parameters to Characterize Digital Loop Performance

Includes all amendments and changes through Change/Amendment , March 10, 1988

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Description / Abstract:

Scope and Limitations. This recommended practice suggests a set of performance parameters for digital loop transmission between the user location and the serving office. In the case of ISDN, the user location is defined as

(1) the T-reference point, or

(2) the U-reference point. In the case of non-ISDN, the user location is defined as the point in the transmission circuit analogous to the ISDNdefined T or U reference point.

This recommended practice is limited to user information bit rates of 200 kb / s or lower.

Purpose. The purpose of this recommended practice is to suggest a set of transmission performance parameters to be used in the development of standards for low bit-rate digital channels between the user's location and an appropriate test point at the serving office.