6 Functional Description of the Ethernet Modules
6-6
Description of the status indicators
Module EI 801F has a multicolor LED which indicates the current module state:
State LED
Off No voltage applied, module is separated.
Green Power supply switched on, module identified and
ready to operate according to configuration.
Orange Power supply switched on, module identified:
- intermediate state after normal module startup or
- configuration mode of Boot Loader (see Section
5.4)
Orange flashing Power supply switched on, module identified;
module not connected to a proper bus structure.
Red Power supply switched on:
- module not yet identified (short time, during
module startup) or
- error occurred during module test
Batt low LED
Off Sufficient buffer battery voltage.
Yellow Buffer battery not found or low (insufficient
voltage).
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