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Name Colour
A and B: OFF
A and B: RED
A and B: RED/GREEN
A and B: RED
A or B: OFF
A or B: GREEN
A or B: GREEN
A or B: RED
A or B: RED/GREEN
GREEN
GREEN
RED
Fault tracing
Module
status
Channel B
Function
Steady - Module is not initialised.
Steady - Faulted unit, must be restarted or
repaired
Alternating - Self testing bus controller
Flashing - Incorrect node configuration,
duplicate MacID etc.
Steady - Channel is disabled, depending
on network configuration.
Steady - Normal operation of channel
Flashing - Temporary errors (node will
self correct) or
node is not configured to go on-line
Flashing - Media fault or no other nodes
on the network
Alternating - Incorrect network
configuration
Flashing - Module is waiting for
initialisation.
Steady - Module is initialised.
Steady - Major fault, module must be
restarted
Host Indication
Channel A
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