ZyXEL Communications 660HW Series - Manual (Page 219)

Prestige 660H/HW Series User’s Guide
Chapter 19 Maintenance 218
Figure 117 Diagnostic: DSL Line
The following table describes the fields in this screen.
Table 69 Diagnostic: DSL Line
LABEL DESCRIPTION
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, for example:
"Start to reset ADSL
Loading ADSL modem F/W...
Reset ADSL Line Successfully!"
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 Prestige sends
an OAM F5 packet to the DSLAM/ATM switch and then returns it (loops it back) to the
Prestige. 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.
Back Click this button to go back to the main Diagnostic screen.