is then displayed asking you if you're sure you want to reboot the system. Click OK to
proceed.
4.4.5.2 Diagnostic DSL Line
Reset ADSL Line: Click this button to reinitialize the ADSL line. The large text box above
then displays the progress and results of this operation
ATM Status: Click this button to view ATM status.
ATM Loopback Test: Click this button to start the ATM loopback test. Make sure you
have configured at least one PVC with proper VPIs/VCIs before you begin this test. The
ATM loopback test is useful for troubleshooting problems with the DSLAM and ATM
network.
Upstream Noise Margin: Click this button to display the upstream noise margin.
Downstream Noise Margin: Click this button to display the downstream noise margin.
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