A PIN-entry device (PED) stand (27) includes a data interface whereby the stand may be connected to an EFT card payment system (10) for transmitting and/or receiving data to and/or from the EFT card payment system independently of a PED (18) mounted on the stand. The stand further includes any one or more of the following, in communication with the data interface: a data input device such as a contactless card reader ( 36) or a biometric devicefor receiving information for processing a card transaction and/or for management of the payment system; at least one further data interface whereby the stand may be connected to a peripheral device; a secure memory device for storing a secret key for use in an authentication system. Software of the EFT card payment system drivesa display (24) of a PED (18) installed on the PED (27) stand and connected to the payment system (10) in order to display information relating to functions associated with the data input device, further data interface and/or peripheral device connected thereto, and/or secure memory device of the PED stand.