Network Technologies 900GV Bedienungsanleitung PDF herunterladen (Seite 60)

Normal Power-Up

A-2 Problem Solving

Normal Power-Up

When the module’s power is initially turned on, the following events occur:

Refer to Table A-1 for a list of LED states that are possible for each of the module.

Event Description

1 The module's Power LED lights as soon as power is applied to the unit.

2 The module initiates its built-in self-test. Flashing Port State LEDs and

Port Activity LEDs indicate that the module is running various

subroutines as part of the self-test.

3 After the successful completion of self-test (within three minutes after

power is applied), the Module OK LED becomes lit.

4 The remaining LEDs now indicate their operational status.

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Network Technologies 900GV Bedienungsanleitung Seite 60