ASCII DTE DTE 9-pin 25-pin ASCII ASCII RS-232 Wiring Module to DTE Device (hardware handshaking disabled)RS-232 Wiring - Module to Printer (hardware handshaking enabled, standard printer adapter cable)RS-422 Wiring RS-485 Wiring AB 罗克韦尔PLC 模块1769-ASCII 接线图 www.dianqionline.com ...