Certify Twisted Pair Cabling
Twisted Pair Autotest Results
59
• CDNEXT (common-mode to differential mode near-end
crosstalk, in limits with (+All))
• CMRL (common-mode return loss, in limits with (+All))
• ELTCTL (equal level transverse conversion transfer loss, in
limits with (+All))
• HDTDR and HDTDX analyzers (optional tests, not required by
any test limit)
Automatic Diagnostics
If an Autotest on twisted pair cabling fails, the DSX CableAnalyzer
automatically gives you information about faults. To see the
information, tap the FAULT INFO tab. Figure 22 shows examples
of diagnostic information.
To get only diagnostics results, select Diagnostics from the TOOLS
menu. These results do not include a PASS/FAIL status.
The diagnostic screens show connectors in grey when other faults
possibly affect the results for the connector.
For NEXT failures caused by multiple connectors, the diagnostic
screen shows the worst connector in red.
Future Versiv software releases may include additional
diagnostics. The latest software is available at no charge on the
website.
For more information on diagnostics, including video training
modules, see the website.
Note
The FAULT INFO tab does not show if you select
Never for the HDTDR/HDTDX setting on the TEST
SETUP screen.
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