ADCP-61-471 • Issue 4 • June 2000 • Section 2: Operation and Maintenance

DLP-575

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TAU OPERATION

Summary: This procedure provides instructions for

Summary: This procedure provides instructions for operating the Test Access Unit (TAU). The TAU can be used to drop or insert DS1 signals either toward the network (DS3 interface) or the customer interface (i.e., the DS1 distribution modules) for monitoring or intrusive testing.

Note: For information about operating the TAU, refer to the Soneplex Test Access Unit Installation Instructions manual, listed under Related Publications at the beginning of this manual.)

Note: A “toggle” field type means the user can press the space bar to view and select the next option that is described; or the user can press the “R” key to view and select the previous option. An “input” field type means the user must type an entry in the field according to the parameters described. A “fixed” field is locked, and cannot be changed by the user.

Note: Edits can be made in the configuration database in one of two ways: 1) If the complete field is highlighted, use the space bar to toggle forward or the “R” key to reverse toggle through the options for that field. 2) If only the first space or the field is highlighted, type in the data that applies to that field.

Note: Edits to the configuration database can be saved after each change in one of two ways:

1)Press an arrow key and then Enter or Return once; or 2) Press Enter or Return twice after all selections and entries are made in the screen but before leaving the screen. If the entries have been accepted, a message “Configuration Successful…Press Any Key To Continue” appears on the screen.

Note: Press CONTROL-A for help information on moving around and editing fields.

1.Refer to Figure 575-1.Check that the STATUS indicator on the front panel of the TAU module is green, indicating that the module is operating normally.

2.To drop a network or customer DS1 signal, connect a patch cord from the TX Bantam jack on the front panel of the TAU module to the monitoring equipment.

Note: The DS3 MUX must be equipped to perform TAU commands.

3.Use the arrow keys to select System Maintenance from the Main Menu. Press Enter or Return.

4.Use the arrow keys to select Test Access Unit Status/Commands from the System Maintenance menu. Press Enter or Return. A Test Access Unit Status/Commands screen appears as shown in Figure 575-2.If a TAU module is installed and a Version B DS3 MUX module is in place to support it, the TAU Present Status field indicates YES.

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© 2000, ADC Telecommunications, Inc.