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Periodic maintenance 78
Model 3196RC T-DAC User Manual 5 • Troubleshooting and maintenance
DSX1 line loop (dsxLineLoop)
When activated, data received at the selected T1/E1 port, is looped back to the originating device (see
figure 56). Data is looped at the T1/E1 port.
Figure 56. Line Loop
To activate line loop, do the following:
1. Click on the
Modify Configuration
link of the T1/E1 port to be placed under test.
2. Locate the
Loopback Configuration
drop down menu
3. Select
LineLoop
and click on the
Submit Query
button on the right.
To deactivate payload loop, set the
Loopback Configuration
drop down menu to
NoLoop
, and click on the
Submit Query
button on the right.
Note
Refer to the Administration Reference Guide for descriptions of yellow
alarms and send codes.
Periodic maintenance
Consult the rack chassis user manual for information on preventative maintenance (such as cleaning the chassis
air cooling vents to remove accumulated dust).
Calibration
The Model 3196RC requires no calibration.
3196RC
T1/E1 port