AP-UM512MR23CS-2NRT AP-UM512MR23CS-2T AP-UM512MR31CG-2MSNRT AP-UM512MR31CG-2MST AP-UM512MR40CG-2NRT AP-UM512MR40CG-2T AP-UM512MT13ES-2MHNRT AP-UM512MT13ES-2MHT AP-UM512MT13ES-2MSNRT AP-UM512MT13ES-2MST