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The caution about the pre trigger communication also applies if you have any remote speedlights that are being communicated to via optical messages. Even if you are controling the remote speedlights to set fixed flash power levels, the master speedlight will send out pre flashes, and they will very likely trigger the monolights early.
You could consider getting small optical triggers to use with each speedlight, and then use the Skyport system as your main trigger like you are used to. The speedlights should then be triggered by the strong flash of the monolights. You will not have any remote power setting of the speedlights, but setting them manually at the unit should still work fine and be practical for most shooting.