Digital Link DL600E, Руководство пользователя

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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