Architecture, in particular a home agent being placed in a visited connectivity service network in order to separate a data traffic path to a home connectivity service network and a data traffic path to the internet in order to minimise a number of hops and delay times. When an inputoutput device is added to or removed from the computer system, an interrupt signal informs a device manager of the fact that a change in configuration has occurred. A latch, having a latch cover, Is configured to be mounted on a vehicle liftgate, for juxtaposition to the striker base when the liftgate is closed and the latch engages the at least one striker pin. Accordingly, the UTRANGERAN may use information provided from the IDC indication signal to prevent a handover to the E-UTRAN that would result in IDC interference. The switch control unit prohibits the switch part from shorting the electrical circuit between the negative-side output terminal and each of the cathode terminals when a voltage between the negative-side output terminal and each of the cathode terminals is at or above a threshold.