Copper Line Troubleshooting Troubleshooting
Modem Suspension and Restoration
ML700 allows you to suspend or restore traffic on a particular MLP port, preserving
configuration setup of the port.
To Suspend or Restore a Modem Port:
1. In the Network Element tree, open Modem Ports. The Modem Ports pane opens.
2. From the table, double-click a row. The Modem Port MLP pane opens in the work area.
3. To suspend the modem port, select Suspend. A warning message appears. Click Yes.
4. To restore the modem port, select Resume.
5. Repeat steps 1-4 for additional modem ports.
NOTE: You also have access from the Navigation tree as follows: Open Modem Ports, MLPs. The
Modem Port MLP pane opens in the work area.
Line Quality Test
Copper lines can be tested by external line test equipment as specified in Copper Line
Testing (on page 15-11) and by ML system as specified in Qualification by ML system.
Copper Lines Testing
This section contains the procedures and specifications for verifying the quality of the used
lines (copper pairs).
Test Prerequisites
To perform the procedures in this section, you need the following test equipment:
Line tester, such as Transmission Impairment Measurement Set (TIMS);
Digital Volt Meter (DVM).
For detailed information on how to use the line tester to perform the procedures in this
section, refer to your line-tester documentation.
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