Average Reviews:
(More customer reviews)It's true that HomePlug AV nodes cannot intercommunicate with HomePlug 1.0 nodes. ZyXEL and most, if not all, other HomePlug AV hardware manufacturers are derelict in not pointing out that fact. As an engineer who works with HomePlug almost full-time, I know that AV kicks 1.0's tail in terms of bitrate versus SNR. That doesn't excuse ZyXEL's dereliction, but it gives you cause to ponder retiring your HomePlug 1.0 hardware and replacing it with HomePlug AV hardware. Even if you think you won't benefit sufficiently from HomePlug AV's nominal 14x bitrate improvement, you might need AV's ability to reach more electrical outlets in your building with a bitrate that is usable for your application.
There's another compatibility matter to be aware of. When I examined a new PLA-470 the other day, I was disappointed, but not surprised, to find that the version of firmware installed in the HomePlug AV chipset is an old, pre-standard version, 1.4.5, that is not truly HomePlug-AV compliant and, more importantly, that cannot intercommunicate with subsequent firmware versions. I have not checked to see whether ZyXEL provides the means to upgrade the firmware of the HomePlug-AV chipset. The newest version is 3.0.5. For more detail on the topic of HomePlug-AV-chipset firmware, see my review of the Linksys PLE200.
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