3.2.1  Common memory area of typeL 
  The slot numbers corresponding to DCS is 1, Windows is 3, Receiving area for inter-
controller  transmission  (AW)  is  20,  Tag  Parameters  are  40  and  41,  Expansion 
Register(EW) are 42 to 45. A part of the common memory area is shown in the following 
figure. In the figure, Station Offset indicates the absolute address in the common memory 
area, and Slot Offset indicates the relative address in the 2 Mbyte area for each slot.