Rockwell Automation 2755 2D Hand-Held Scanner - Manual (Page 149)

E–4 PLC-5 Controller Application
Publication 2755-6.7
4. Send the data then the suffix by scanning these labels.
Send <Data> <Suffix>
Scan this Symbol First
Scan Enter after Scanning Option
5. The cable defaults will work with the PLC-5. Your application
may have specific requirements. Chapter 3 lists the settings that
can be modified. If you change a communication setting, make
sure the PLC controller is configured to accept the change.