我見有外國REVIEW寫到WIRED XT8有問題
Over additional testing, as it turned out, the XT8 might have an issue with wired backhaul. Again, it seems the system was tuned for a fully wireless setup and a firmware update might cause problems when you use it in a wired setup — you might need to reset it and set it up again. Though the issue hasn’t been consistent, to be sure, it’s better to use it in homes that have no wiring.