VeriFone Omni 3200 Reference Manual page 127

Performing Remote Diagnostics
To connect the cable between the computer and the Omni 3200
terminal:
1. Disconnect the power source from both systems.
2. Connect the DIN-type connector on one end of the cable to the
COM1 (or COM2) serial I/O port on the download computer.
3. Connect the RJ45-type connector on the other end of the
download cable to the 'RS232' port on the back panel of the
Omni 3200 terminal.
4. Connect the power to the download computer and terminal.
Figure 19 Cable Connection for Direct Remote
Diagnostics and Application Debugging
Remote Diagnostics and Debugging
111