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5.1.3
Managing Fan Trays
The Chassis Management Module (CMM) can manage fan trays. Parameters and thresholds can be
set and monitored.
Fan speed can be set to 100 percent, 80 percent or 0 percent for the chassis.
The command:
cmmset -l chassis -d fanspeed -v [100, 80, 0]
If the fan speed is set to 80 percent a Fan Tray event or a Chassis Temp event crossed to a high
threshold will cause the fan speeds to go to 100 percent until the event is cleared.
Please refer to the Intel
Specification for further information on managing Fan Trays. See
Reference"
Note: Not all fan trays can be set to 0 percent. By default jumper J6 must be changed to support a fan
speed of 0 percent.
Figure 26. Fan Tray Mezzanine Jumper
5.1.4
Fan Tray Status LED
Each fan tray provides a health/status LED on its front panel.
states.
Technical Product Specification
®
NetStructure™ ZT 7102 Chassis Management Module Technical Product
for document ordering information.
Chassis Side Panel
Appendix C, "Data Sheet
Jumper (enlarged to show detail)
Table 11
Cooling Subsystem
B3279-02
lists the different LED
57
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