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What do the Modbus Plus LED blink codes mean?

Goals and Symptoms

What do the Modbus Plus LED blink codes mean?

Causes and Fixes

Below you will find a Modbus Plus blink code table:
This table, network trouble shooting, and the Modbus Plus network specifications, can be found in the
'Modbus Plus Network Planning and Installation Guide' part number 890-USE-100-00


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