Brocade Communications Systems Brocade Superx Series Installation Guide Page 94

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82 Brocade FastIron SX Series Chassis Hardware Installation Guide
53-1002500-01
Managing the cooling system
4
Managing the cooling system
This section provides configuration, management, and monitoring information for the cooling
system in FastIron X Series chassis devices.
Configuring the cooling system
Since FastIron X Series chassis devices provide default settings for all cooling system parameters,
no initial configuration of the cooling system is necessary. You can change the settings of the
following cooling system parameters:
Low and high temperature thresholds for modules and fan speeds
Interval at which the system polls the temperature sensors on the module for a reading
Temperature at which the device will shut down
Fan speed
Thermal planes
The FSX 800 and FSX 1600 have three thermal planes:
Thermal Plane 1 (also called Rule 1/3) – This thermal plane includes the temperature sensors
on the management module or modules only. Each management module has two temperature
sensors.
Thermal Plane 2 (also called Rule 2/3) – This thermal plane includes all of the temperature
sensors on all of the interface modules. Each interface module has one temperature sensor.
Thermal Plane 3 (also called Rule 3/3) – This thermal plane includes all of the temperature
sensors on the switch fabric modules. Each switch fabric module has one temperature sensor.
All thermal planes, along with temperature thresholds, help determine at which speed the fans
should operate. For each thermal plane, you can define separate temperature thresholds for fan
speeds. Each thermal plane can have different temperature thresholds.
For each thermal plane, the Brocade device records the highest temperature based on the
temperature reading of all of the modules in the thermal plane. The system uses this information
and the current configured temperature thresholds to adjust the fan speed. You can view the
temperature of each thermal plane using the show chassis command.
Fan speed modes
The fans can operate in automatic or manual mode. The default is automatic mode. This section
describes both methods.
Other information
Boot PROM MAC The MAC address of the chassis.
TABLE 23 Chassis status and temperature information (Continued)
Field Definition
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