3Com 3C63400-3AC-C - PathBuilder S700 Switch, Справочное руководство

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Viewing Statistics 225
Figure 172 illustrates the FAM loopback options.
Figure 172 FAM Loopback Options
DS1/E1 UNI with IMA
Module Loopbacks
The DS1 UNI and E1 UNI with IMA modules supports the following loopbacks:
Network Line —The DS1 framer loops back all the bits received from the
network.
Network Card —The DS1 framer loops back the payload from the network.
Local Card —The DS1 framer loops back the payload to the local cell bus.
Viewing Statistics
You can view two basics types of statistics for the various cards installed in the
PathBuilder S700 shelf:
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Card statistics
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Virtual circuit statistics
This section gives you an overview of these types of statistics, tells you how to
view the statistics screens, and defines the statistics listed on each of the statistics
screens.
Card Statistics Overview The PathBuilder S700 supports two types of card statistics:
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Performance statistics
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ATM statistics
Performance Statistics Overview
Performance monitoring screens list statistics that reflect the physical monitoring
of the line. You can view the following types of performance monitoring statistics
for each card:
Current —The statistics being collected for the current 15-minute interval.
Network Line
Line Side ATM Side
(Trunk)
FAM Interface
Network Card
Local Card