Turn off the power of the programmable controller, and mount the
485BD using the FX2N-485-BD PDF following procedure
FX2N-485-BD PDF Mitsubishi FX2N-485-BD FX2N-485-BD Manual User's Guide.
Mitsubishi Communication Board FX2N-485-BD PDF FX2N-485-BD User's Guide PDF.
Mitsubishi FX2N-485-BD PDF Manual.
Mitsubishi FX2N-485-BD Manual FX2N-485-BD FX2N-485-BD PDF Manual
FX2N-485-BD PDF.
FX1N-485-BD FX2N-485-BD Manual FX2N-485-BD Hardware Manual PDF Mitsubishi FX1N-485-BD User'ss FX2N-485-BD PDF Guide.
FX-485ADP PDF Mitsubishi FX-485ADP User's Guide.