User`s guide

Using the Front Panel Interface 5-23
3 Cycle through the full bandwidth patterns using the Up or
Down Arrow
and press ENTER to select the pattern and start the
test. Press
ENTER again when the system prompts to conÞrm.
The patterns are listed on page
5-24.
4 The DL600E unit starts sending the selected pattern and tries to
lock on to the same pattern coming back from the remote unit.
The message PATTRN SEARCHING appears.
The test changes the DATA/TEST LED from green to red to
indicate a test is being performed on the port.
5 When the DL600E unit achieves a lock with the signal from
the remote unit, it displays:
PATTRN 0
When it detects errors in the received pattern, it displays the
number of received errors. The error count starts at
0 and can
reach a maximum of
65,535. If it loses the pattern lock it
resumes searching.
6 To end the test, press and ENTER.
END TEST