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AMD/Xilinx 7-series GTP question:

Has anyone used 10GBASE-SR SFP+ transceivers to link GTPs of two Artix 7 FPGAs on different boards?

In other words, I'm interested in using the transceiver as a "raw" optical interface at, say, 5 to 6 Gd line rate, within the GTP specifications, rather than the 10.3125 GBd that would be used for 10G Ethernet.
This obviously depends on the transceiver to be dumb, like an SR or LR, and not reformat the signal, do WDM, etc.

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