... entry barrier automatically opens and he enters. when he comes to exit where a mnual-pay-station is installed nearby, he give ... automatically open and he enters, the same will happen at exit.1, Entrance Equipment:A), Automatic Barrier (straight arm)B), ... intercon system (optional) i: power j: transformer power (optional)2, Exit Equipment:A), Automatic Barrier (straight arm)B), Vehicle sensor 1 ...