Disabling serial communications using ION Setup

You can disable serial communications ports through ION Setup.

Disabling unused ports is considered a cybersecurity best practice to help minimize unauthorized access to your meter.

  1. Open the Setup Assistant for your meter. See the ION Setup Help for instructions.
  2. Select Communications > Serial Settings.
  3. Click the COM1 tab.
  4. Select Protocol and click Edit.
  5. Select None from the drop-down list and click OK.
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