| CPC G06F 3/08 (2013.01) [G06F 13/4068 (2013.01); G06F 2213/3814 (2013.01)] | 20 Claims |

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1. A system, comprising:
a connection element for producing a wired connection between a first unit and a second unit, the connection element comprising
a diagnostic module, wherein the diagnostic module comprises:
a receiving interface configured to receive data from the first unit over a wired data connection;
a memory module configured to store the data received from the first unit for a run time of the first unit; and
a read-out interface configured to output the data stored by the memory module over a wireless data connection in response to a fault condition of the first unit, in which the first unit cannot communicate over wired routes or is not connected to a voltage supply.
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