Oracle X7-8 Service Manual page 86

Troubleshooting Server Subsystems
Call Out
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Cooling Fan Power
Power for the internal PSU cooling fans (zone 0) is provided by the PSUs. Power for the fan
modules (zones 1-4) is supplied by CMOD0, CMOD2, CMOD4, and CMOD6.
The chassis cooling fans operate only when the chassis is in Main power mode (see
■
Control, Shutdown, and Reset States" on page
The PSU fans operate when the system is in Main power or Standby power mode.
■
The following table lists the CMODs and the fan modules to which they supply power.
CMOD
CMOD0
CMOD2
CMOD4
86 Oracle Server X7-8 Service Manual • April 2018
Description
Zone 0: Power supplies
Zone 1: CMOD0 and CMOD1
Zone 2: CMOD2 and CMOD3
Zone 3: CMOD4 and CMOD5
Zone 4: CMOD6 and CMOD7
Fan Modules Powered
FM0 and FM1
FM2 and FM3
FM4 and FM5
Cooling provided by:
Four power supply fans
FM0 and FM1
FM2 and FM3
FM4 and FM5
FM6 and FM7
118).
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