Siemens 6AG1540-1AB00-7AA0 SIPLUS S7-1500 CM PTP RS422/485 -40 ... +70 DEGREE C WITH CONFORMAL COATING BASED ON 6ES7540-1AB00-0AA0 . COMMUNICATION MODULE FOR SERIAL CONNECTION RS422, RS485 FREEPORT, 3964(R), USS, 19200 KBIT/S, 15-PIN SUB-D FEMALE CONNECTO