Like other reviewers, I have no complaints about this device. . I have a Ubiquiti Edgemax PoE 5 which is not really 802.3af/at compliant. Rather, it is a passive 24V or 48V DC injector. FYI, an Edgemax PoE with passive 48V supplied to this splitter will easily power the USB power output. Power supplies that have problems delivering DC voltage after months of 24/7 use.
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