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Chapter 3. Operation
78 TSU 600 User Manual 61200.076L2-1
Network Tests
Network tests are used to control the activation of
loopbacks and the initiation of data test patterns. See
Figure 3-5 for the list of tests.
Network tests are run on the Network Interface (NI).
Three different test configurations can be selected to
determine the type of loopback and the pattern to run.
Test results are displayed in the LCD window.
The execution of Network Tests will disrupt normal data
flow unless only TST DS0s are selected for testing.
Operation
Follow standard operating procedures to access the
Network Tests menu items.
With the cursor on Main menu item 4)TEST, press
Enter or number 4. The unit displays the first two Test
submenu items with the cursor on 1)NETWORK
TESTS. The Down Arrow indicates there are addi-
tional menu item selections available.
Press Enter to display the first of three submenu
choices. The cursor is on 1)LOCAL LOOPBCK.
Network Tests Menu Items
The menu items are:
LOCAL LOOPBCK
There are three available choices for setting the local
loopback:
Line On Activates the line loopback
Payload On Activates the payload loopback
No Loopback Deactivates the loopback
Scroll to select a setting and record it by pressing
Enter. The unit returns the display of 1)LOCAL
LOOPBCK and 2)REMOTE LOOPBCK