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How to disable COM port on ION8650

Disabling COM port on ION8650 is desired so no communication can be done through that COM port for security reasons.

Product Line

ION Setup 3.0
ION8650 Communication port

1) Upgrade firmware version for ION8650 meter to latest firmware version (Currently V4.20)

2) In ION Setup, in Setup Assistant, navigate to Communications -> Serial Settings. Choose the COM port tab that needs to disable. Change protocol for that COM port to "None"

Changing protocol can also be achieved from the front display of the meter. Go to ION8650 SETUP by holding "ALT/ENTER" button. Navigate to the COM port that needs to be disabled. Click "Enter" on PROTOCOL and change it to "NONE"
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