When you are banned, you can't even logged into your account and you can't even see your character screen. Ban is account wise not character base. It's stop you at the "Play" button with a message warning account is suspended.
From a second user perspective of your character in game, it looks like you are offline, just as you logged off and never return.
From a second user perspective of your character in game, it looks like you are offline, just as you logged off and never return.