W/H,Dispenser Comm SVCE (BI-42SD,BI-48SD)
   NOTE:  Connects Touch Pad to Dispenser
  BI-48SD Use Prior to Serial #4452000 And Also
          From #4452030 to #4520000.
          From #4452000 to #4452030 And Starting
          With #4520000 See 7041758
  BI-42SD Use Prior to Serial #4520000.
          Starting With #4520000 See 7041758