DOOR,REF-O 48SD SVCE (BI-48SD/O,ICBBI-48SD)
 BI-48SD  Use From #4452000 to #4452030 And Also
          Starting #4520000
          Prior to Serial #4452000 And Also From
          #4452030 to #4520000 See 7005435
ICBBI-48SD Use Starting With Serial #4520000
           Prior to #4520000 See 7005435