W/H,Switch Box SVCE (736TC/I)
   NOTE:  Use Starting With Serial #2970000.
          Use From #2953454 to #2953517 And
          Use From #2955770 to #2955775.
          Prior to Serial #2970000 Except
          From #2953454 to #2953517 And Except
          From #2955770 to #2955775  See 7022112.