Understanding DSL Test Results Using the SmartClass TPS

PublishTime：2022-10-19

◼The SmartClass Triple-Play Services (TPS) shows attenuation and margin value. The margin value is the SNR margin (SNRM), representing the tolerable increase in noise level or decrease in signal level while still guaranteeing a 10(-7) bit error rate (BER) at a connected rate. A typical margin value is 6 dB or greater. As ADSL2+ provides dynamic features, such as power-cutback and seamless rate adaptation (SRA), it is highly recommended not to solely rely on the relation of connect rate vs. max rate, but also factor in the underlying attenuation and margin values.
◼Displaying attenuation and margin values enables the SmartClass TPS to help technicians quickly test and analyze DSL lines and identify line disturbers and interferers impacting DSL rate.

Brand of Product：	Viavi
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Product Category：	Triple-Play Services More
Application：	More
Data Type：	Application note & Design Guide More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
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Language：	English Chinese Chinese and English Japanese
Date of Creation：	2019/7/13
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Data Size：	346 KB

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