unjoin
To remove or separate an Itron NIC from its meter as part of a troubleshooting operation. Gas Interface Management Unit (IMU) that are to be retrofitted in the field to their corresponding gas and water meters are said to be unjoined up until the time they are joined.
With HAN Communications Manager (HCM), unjoin means to move a device from the join to the associated state. Also known as deprovision.
See also join.