'B7a'=>[
       {
        Service='ADC',
        path='....'
       }
       {
       Type='engine',
       Nr='18',
       Servicenum='1',
       path='....'
       }
      {
       Type='motor',
       Nr='7',
       Servicenum='1',
       path='....'
       }
       {
       Type='supply',
       Nr='1',
       Servicenum='1',
       path='....'
       }
      {
        Service='input',
        path='----'
       }
       {
        Service='signal',
        path='----'
       }
      ].....................