Table of Contents
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The table below sums up the type of information that the four LEDs display
on the different units.
LED 1
Stand-alone
System state
unit
Main unit
System state
Subunit 1
System state
Subunit 2
System state
LED 2
State of input
modules (system)
State of input
modules (system)
State of input
modules (unit)
State of input
modules (unit)
21
LEDs
LED 3
LED 4
Always off
Always off
Link 1 state
Link 2 state
Link 1 state
Link 2 state
Link 1 state
Link 2 state
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