The BackupStationExt (Backup) is one of five device extensions automatically added to every NiagaraStation under the Supervisor’s NiagaraNetwork, providing the Supervisor also has the ProvisioningNwExt (ProvisioningNiagaraNetworkExt) under its NiagaraNetwork. Other NiagaraStation provisioning extensions are the LicenseStationExt, PlatformConnection, SoftwareStationExt, and StationProxy.

For more details, see Provisioning Station Extension Concepts, and Backup.