what train do i take when tranfer at guanglan station in Shanghai

HI THERE, I WAS TOLD IF I TAKE TRAIN LINE 2 from SH pudong airport. I HAVE TO TRANFER AT GUANGLAN STATION . I NEED TO KNOW WHAT TRAIN I SHOULD TAKE AT GUANGLAN station TO PEOPLE SQUARE. ALSO WHERE I CAN WAIT FOR the TRAIN . IS IT THE SAME level WHERE I GET OFF from line 2 OR IN THE STATION SOMEWHERE UP/down FLOOR THANK YOU