assuming you want the oplink to do just data
now that you have revo, oplink, and gcs on the same version
power Revo and Oplink off
plug oplink into usb and configure it (protocol=OpLinkCoordinator, LinkType=Data, MaxPower, and ComSpeed) copy "Device ID" number onto paper
save
unplug
plug Revo into usb and configure it (protocol=OpLinkReceiver, LinkType=Data, CoordinatorId=WhatYouCopiedFromOplink MaxPower, and ComSpeed same as oplink)
save
unplug