ADTRAN TSU 600 user manual Screen that Appears During Loopback Verification

Chapter 4. Example Operations

With the cursor on 1)REMOTE LOOPBK, Enter activates the submenu. Scroll to select a setting for PAYLOAD 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 600 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 submenu. 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

The TSU 600 begins to automatically check for syn- chronization and bit errors.

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