This object is used to create, delete or modify a row in this table. To create a a new network element, this object is initially set to 'createRequest'. After completion of the configuration of the new entry, the manager must set the appropriate instance of this object to the value valid(1) or aborts, setting this object to invalid(4). This object must not be set to 'active' unless the following columnar objects exist in this row: identIfExtensionIndex identIfSerialNumber identIfHardwareVersion identIfInventoryCode identIfFirmwareVersion1 identIfSpecific To delete an existing entry in this table, the manager must set the appropriate instance of this object to the value invalid(4). Creation of an instance of this object has the effect of creating the supplemental object instances to complete the conceptual row. An existing instance of this entry cannot be created. If circumstances occur which cause an entry to become invalid, the agent modifies the value of the appropriate instance of this object to invalid(4). Whenever, the value of this object for a particular entry becomes invalid(4), the conceptual row for that instance may be removed from the table at any time, either immediately or subsequently.