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ADCP-61-471 • Issue 4 • June 2000 • Section 2: Operation and Maintenance
2-239
© 2000, ADC Telecommunications, Inc.
DLP-575
Page 1 of 5
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.