ADTRAN TSU 120, Руководство пользователя

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Chapter 4. Example Operations
108
TSU 120 User Manual 61200.129L1-1
With the cursor on 1)REMOTELOOPBK, Enter acti-
vates the menu. Scroll to select a setting for PAY-
LOAD in the data field. When selected, press Enter to
activate.
This initiates the transmission of a loop-up code
toward the far end (see Figure 4-17).
Figure 4-17
Screen that Appears During Loopback Verification
The TSU 120 verifies that the far end has gone into
loopback by verifying the receipt of the code at the
originating end. While waiting for loopback verifica-
tion, the TSU displays Looping.
When completed, scroll or use number 3 to select
3)PATTERN. Use Enter key to activate the Pattern
menu. For Remote Loopback, scroll to select QRSS All
DS0s and Enter to activate the selection (see Figure
4-18).
Figure 4-18
Test Pattern Screen for QRSS all DS0s