Avaya R2 Guía de instalación Pagina 78

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Installing the Data Module, Hardware Key, and Remote Maintenance Line
Chapter 3
Installing the Data Module 3-9
Power Up 3
When you first apply power to the 7400B/7400B Plus, the unit carries out a
self-test to determine that it is in working order. The progression of the self-
test is indicated by the sequential left-to-right lighting of the front-panel
LEDs. When the self-test completes, the LEDs labeled POWER/TEST and
TR will remain lit and all other LEDs will go out.
If the unit is not configured correctly, the POWER/TEST and DATA LEDs
will flash.
See the 7400B/7400B Plus Data Module User Guide to resolve configuration
problems.
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