What is the difference between the M580 PAC BMEXBP backplane's two types of connectors, Ethernet and X Bus?

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Issue
The difference between the M580 PAC BMEXBP backplane's two types of connectors, Ethernet and X Bus

Product Line
Modicon M580 PAC BMEXBP

Environment:
EcoStruxure Control Expert
Unity Pro

Resolution
The Modicon M580 PAC BMEXBP backplanes have two types of connectors, Ethernet and X Bus.
The X Bus connection present on all M580 racks is the vary same that is used on the M340 backplane.
It is used for to obtain and exchange the below type of data with the M580 CPU:
1. Configuration data for the X80 modules
2. Application and diagnostic data

The BMEXBP backplane Ethernet connector is used for:
1. eX80 I/O modules, which require an Ethernet bus on the rack in order to exchange data (for example, X80 HART modules)
2. Communications to third-party modules that require Ethernet
3. Ethernet communication modules that interlink to the M580 CPU

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