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.


An illustration showing callouts for internal CMOD and fan module components.
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.

See Servicing Fan Modules (CRU) and Fan Frames (CRU).