HST-3000 VDSL QUICK CARD WIDEBAND SPECTRAL ANALYSIS
■The purpose of this test is to analyze wideband noise across the VDSL spectrum. More specifically, if wideband noise issues are suspected or identified during the VDSL Good Pair Check or Wideband Noise test (covered previously) this application provides a more detailed analysis of the noise for more refined isolation of the problem and identification of potential interference sources. Measured noise on the span is plotted (frequency vs. amplitude) in user-selectable bands across the VDSL spectrum for ease of viewing.
■This test is typically run from the cross box towards the customer premises. Typically, this test is performed with the pair terminated to the same impendence that will be present when the VDSL circuit is installed (100 Ohms).
■The purpose of this test is to quickly verify that the F2 pair is capable of supporting VDSL2 and free of conditions that could cause errors or circuit failure such as foreign voltage, imbalance, noise, resistive faults, load coils, etc.
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User's Guide |
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Please see the document for details |
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English Chinese Chinese and English Japanese |
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March 2012 |
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Revision 9.0 |
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609 KB |
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