To display the Packet Window choose View/Show Packet Window.
To automatically display the Packet Window when XMLog starts choose Options/Packet Options and Port Select, pick the Options tab and set the Display Packet Window When XMLog Starts option.
To close the Packet Window choose View/Show Packet Window again.
Closing the Packet Window does not close a connection made using a TNC comm port but does close a connection made via the Internet.