Is there a recommended cable type (6, 6a, 7, shielded, twisted, ...) when using the PoE HAT for the 3 B+? I bought 12 inch, type 6, 26AWG patch cables as the switch is next to the device. On the network jack the LED constantly flashes amber and I see only about 100KB/s downloads with wget but this m...

The PoE HAT 4-pin connector ships with a clear sticker over the 4-pin connector.
Should this sticker be removed before connecting the Pi or should it be left on
and the pins pushed through it?