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5
Thermal Considerations
The following chapters provide system integrators with the necessary information to satisfy thermal and air-
flow requirements when implementing CP6930 applications.
5.1 Thermal Monitoring
To ensure optimal operation and long-term reliability of the CP6930, all onboard components must remain
within the maximum temperature specifications.
The CP6930 has six temperature sensors which ensure operation within the specified temperature limits. The
sensors are accessible via the Peripheral Manager. Although temperature sensing information is made avail-
able to the PM, the CP6930 itself does not provide any active means of temperature regulation. The following
temperatures are measured by the Peripheral Manager.
Table 5-1:
Temperature Sensors
Sensor Name
PCB1
PCB2
PCB3
PHY1
PHY2
PHY3
The complete list of sensors and their alarm thresholds can be found in chapter 4.4.2.
As long as the temperature values stay below their upper critical threshold, all components on the CP6930
are considered to be operated within their specified temperature range.
Position
Upper PCB area
Lower PCB area (near front plate)
Lower PCB area
Octal GbE PHY #1 (internal sensor)
Octal GbE PHY #2 (internal sensor)
Octal GbE PHY #3 (internal sensor)
68
Thermal Considerations
CP6930 User Guide
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