CMOD and Fan Module Power
Only CMODs in even-numbered slots supply power to fan modules (FMs). The following table shows which CMOD slots provide FM power. Four fan modules per SMOD are front panel accessible.

| CMOD0-7 Power Slots | FM0-7 Fan Modules Powered | 
|---|---|
| 
                              
                               CMOD 0  | 
                           
                              
                               FM0 and FM1  | 
                        
| 
                              
                               CMOD 2  | 
                           
                              
                               FM2 and FM3  | 
                        
| 
                              
                               CMOD 4  | 
                           
                              
                               FM4 and FM5  | 
                        
| 
                              
                               CMOD 6  | 
                           
                              
                               FM6 and FM7  | 
                        
CMOD1, CMOD3, CMOD5, and CMOD7 in chassis slots 1, 3, 5, and 7 do not supply fan module power.