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Maintaining DNT2Mi
DN01145897 © Nokia Corporation 55 (128)
Issue 2-0 en Nokia Proprietary and Confidential
Figure 32. Remotely controlled network test loop
Figure 33. Remotely controlled network test loop with PRBS test pattern
7.4 Checking measurements and statistics
Measurements and statistics to be checked through the front panel control and Q1
measurements cover various quality parameters, line and error counters.
The parameters that can be viewed through the front panel menus or the Q1
menus Measurement (main menu branch 7 and Statistics (main menu branch 8)
are listed below.
Measurements via the front panel or Q1
• Noise margin
• Rx level
• Tx level
DTE
PORT 2
DTE
PORT 3
DTE
REMOTE DNT
PORT 1
PORT 2
DTE
PORT 3
DTE
LOCAL DNT
DTE
PORT 2
DTE
PORT 3
DTE
LOCAL DNT
DTE
Tx Rx
DTE
PORT 2
DTE
PORT 3
DTE
REMOTE DNT