Read it again. That has nothing to do with the amount of time you're locked out of the system:
Quote:If the player respawns in the same system, he/she must leave the system within 10 minutes of his destruction without attacking anyone, except in self-defense. Other players are not allowed to attack one who is leaving.
That only deals with the "grace period" after you've died in a system. You have ten minutes to get out and may not attack someone, but if someone attacks you, you can fight back.