The reason is to use fiber network is that there will not be any EMI, RFI, other electrical noise (or even ground loop due to shield) with the fiber. This is why FMC is used for Ethernet isolation. However, there is still conversion from optical back to electrical signal, that's why a clean power for the DAC-side FMC is essential.
This is well discussed in optical network threads elsewhere.
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Peter Lie - LUMIN Firmware Lead
Last edited by wklie; 03-29-2019 at 12:49 PM.
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