Digital Link DL600E, Руководство пользователя

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Using the Front Panel Interface
5-25
3
Use the
Up
or
Down Arrow
to cycle through the available
patterns. (Refer to ÒPattern OptionsÓ on page
5-24
.) Select the
pattern and start the test by pressing
ENTER
and
ENTER
again
when the system prompts you to conÞrm.
4
The
DL600E
unit starts sending the selected pattern over a
fraction of the bandwidth and at the same time tries to lock on
to the same pattern coming back from the remote unit.
The message
PATTRN SEARCHING
appears.
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.
LAMP Test
The
LAMP
test checks the
LED
s on the
DL600E
mother board and all
daughter boards.
1
Select
LAMP TEST,
2
Press
ENTER,
then
ENTER
again to conÞrm your action.
All LED s on the front panel should light up.
A defective LED will not light up.
3
To end the test, press and
ENTER.
END TEST
END TEST