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IEEE 1051
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IEEE 1051 1988 Edition, March 10, 1988 Recommended Practice for Parameters to Characterize Digital Loop Performance
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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.
(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.