Electronic Apparatus

An electronic apparatus comprising:

• a plurality of internal units;
• and
• a cable for connecting the plurality of internal units,
• the internal unit including a receptacle to be inserted and removed successfully in any of two specific directions, and a controller circuit electrically connected to the receptacle,
• the cable including a connector corresponding to the receptacle,
• wherein, when connecting the connector to the receptacle in one direction of the two specific directions without detecting a connection direction of the connector with respect to the receptacle, the controller circuit successfully performs transmission of at least one of a signal and a power between the plurality of internal units, and when connecting the connector to the receptacle in an other direction of the two specific directions, the controller circuit does not successfully perform the transmission, and
• wherein the connector includes a connection direction restrictor that allows connection to the receptacle in the one direction and prohibits connection to the receptacle in the other direction.