org.freedesktop.NetworkManager.Device.Adsl org.freedesktop.NetworkManager.Device.Adsl org.freedesktop.NetworkManager.Device.Adsl ADSL Device. Properties Carrier readable b Description Property Details The "Carrier" property org.freedesktop.NetworkManager.Device.Adsl:Carrier Carrier readable b Indicates whether the physical carrier is found. DEPRECATED: check for the "carrier" flag in the "InterfaceFlags" property on the "org.freedesktop.NetworkManager.Device" interface.