ZyXEL Communications MSC1000G User Manual page 447

12.11.4.6 15Min DSL Line Performance
To display line performance counters for the past 15 minutes, click the port number in the line
card's statistics screen (see
Figure 295 Port Statistics: DSL Line Card: Line Performance: 15Min
Management Switch Card User's Guide
Figure 288 on page 431) and click the 15Min tab.
Chapter 12 Statistics Screens
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