7EN02–0305–02

Disabling/enabling COM ports using the front panel

From a security standpoint, it is recommended that you disable any COM ports that you are not using.
  1. Press and hold the ALT/ENTER button for a few seconds. The SETUP menu appears.
  2. Use the navigation buttons to highlight the COM port that you want to configure (COM1 through COM4) and press ALT/ENTER to select.
  3. Use the navigation buttons to highlight the Protocol setting and press ALT/ENTER to select.
  4. Select None from the list of available protocols.
  5. Select YES to confirm the change.
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