Digital Link DL600E E1 Guía de usuario Pagina 101

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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 LEDs on the DL600E mother board and all
daughter boards.
1 Select LAMP TEST,
2 Press ENTER, then ENTER again to conÞrm your action.
All
LEDs 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
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