Edimax Technology ES-5224R+ - Manual (Page 20)

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If the VLAN mode is 802.1Q VLAN, you can set PVID (port
VID) in the same menu, too.
PVID (Port VID): Set the port VLAN ID that will be assigned
to untagged traffic on a given port. This feature is useful for
accommodating devices that you want to participate in the
VLAN but that don’t support tagging. This smart switch allows
you to set one PVID for each port, the range is 1 ~ 255.