Cabletron Systems CSX400 User's Guide Page 124

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Bridging
4-78 SONET Port Configuration
To access the SONET/SDH Statistics window
from the Bridge Status window:
1. Click on the desired Port button ( ) to display the port menu.
2. Drag down to select SONET/SDH Statistics…. The SONET/SDH Statistics
window for that interface, Figure 4-24, will appear.
from the Chassis View window:
1. Click on the appropriate port index to access the Port menu.
2. Drag down to select SONET/SDH Statistics…. The SONET/SDH Statistics
window for that interface, Figure 4-24, will appear.
Figure 4-24. The SONET/SDH Statistics Window
Errors
The Errors indicators at the bottom of the SONET/SDH Statistics window show
the status of the SONET link as reported by the monitored interface, by indicating
whether the link has experienced Loss of Pointer, Loss of Signal, or Loss of
Frame defects or failures during the current 15-minute interval.
Note that Loss of Pointer is detected at the Path level on the SONET link, meaning
that the error occurred anywhere on the end-to-end link between the connected
FE100-Sx or APIM-2x devices that are customer premises equipment (CPE), and
Loss of Signal and Loss of Frame are detected at the Section level, meaning that
the error occurred on the SONET section between the monitored CPE device and
the ADM node (line-terminating equipmentÑLTE) to which it is connected.
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