Allen-Bradley 1734-232ASC POINT I/O ASCII Module By wayne No Comments on Allen-Bradley 1734-232ASC POINT I/O ASCII Module 2 Min Read Buy the Allen-Bradley 1734-232ASC ASCII interface module for RS232 barcode readers. Supports 38.4k baud, 10-28.8V DC. Fast shipping via FedEx, UPS, DHL.