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P-660H-Tx v2 Support Notes
4. How do I know the ADSL line is up?
You can see the DSL LED Green on the P-660H-Tx v2's front panel is on when
the ADSL physical layer is up.
5. How does the P-660H-Tx v2 work on a noisy ADSL?
Depending on the line quality, the P-660H-Tx v2 uses "Fall Back" and "Fall
Forward" to automatically adjust the date rate.
6. Does the VC-based multiplexing perform better than the LLC-based
multiplexing?
Though the LLC-based multiplexing can carry multiple protocols over a single
VC, it requires extra header information to identify the protocol being carried
on the virtual circuit (VC). The VC-based multiplexing needs a separate VC for
carrying each protocol but it does not need the extra headers. Therefore, the
VC-based multiplexing is more efficient.
7. How do I know the details of my ADSL line statistics?
• You can use the following CI commands to check the ADSL line
statistics.
CI> wan adsl perfdata
CI> wan adsl status
CI> wan adsl linedata far
CI> wan adsl linedata near
• You can also do it in Web Configurator, Advanced Setup,
Maintenance -> Diagnostic -> DSL Line -> DSL Status:
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