Allen-Bradley 1203-SSS User Manual page 43

2. If the Flash can be completed safely, type Y. The letter "C"
repeatedly appears. It is the Xmodem prompt and continues to
appear until you send a binary file.
Important: Press Ctrl + X to cancel a Flash update procedure.
3. Select Transfer > Send File to display the send file dialog box.
4. Click Browse and navigate to the Flash file.
5. Double-click the file. Its name appears in the Filename box.
6. In the Protocol box, select Xmodem.
Figure 4.6 Example Send File Dialog Box
7. Click Send. A dialog box appears and reports the progress of the
download. When it is complete, the message "Operation Complete"
appears.
Important: Keep the device powered for 15 seconds after the operation
has completed.
8. Press the Enter key to return to the main menu.
Flash Updates C-3