CS1000M- Cabinet and chassis - 4.50W for AP and EMEA 

ftp://www142.nortelnetworks.com/prerel/meridian/succession/X21/4.50W/ap-emea_450W_r10.exe 
ftp://www142.nortelnetworks.com/prerel/meridian/succession/X21/4.50W/na-cala_450W_r13.exe 
ftp://www142.nortelnetworks.com/prerel/meridian/succession/X21/4.50W/branch-450W_r10.exe 


CS1000M- Half & Full Group - 4.50W for AP and EMEA 

ftp://www142.nortelnetworks.com/prerel/meridian/succession/X21/4.50W/0450W_I29_P115_Pre_CPP4.zip


CS1000S- Cabinet and chassis - 4.50W for AP and EMEA

ftp://www142.nortelnetworks.com/prerel/meridian/succession/X21/4.50W/ap-emea_S450W_r10.exe  
ftp://www142.nortelnetworks.com/prerel/meridian/succession/X21/4.50W/na-cala_S450W_r10.exe