If a DME has a communication issue when talking to Rev it can be put in a "Lockdown Status". Follow the steps below to refresh the connection between the specified DME and REV.
1. Access the DME GUI and navigate to System Configuration --> Rev Interface
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2. Disable the "Rev Enabled" field, and click apply.
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3. Wait approximately 5 minutes then Re-enable the "Rev Enabled" field and click apply
4. If this does not bring the DME back online, contact Vbrick support.