Command Manual – System Management 
Quidway S8500 Series Routing Switches  Chapter 3  Device Management Commands
 
Huawei Technologies Proprietary 
3-5 
 7         NONE      Absent       Absent         None 
3.1.6  display environment  
Syntax 
display environment 
View 
Any view 
Parameter 
None 
Description 
Use the display environment command to view environment information. 
Example 
# Display the environment information. 
<Quidway> display environment 
System temperature information (degree centigrade):     
----------------------------------------------------                 
Board    Temperature         Lower limit      Upper limit 
 0        33                  10               45 
 2        35                  10               65 
 4        34                  10               65     
3.1.7  display fan 
Syntax 
display fan [ fan-id ] 
View 
Any view 
Parameter 
fan-id: the fan ID. 
Description 
Use the display fan command to view the working state of the built-in fans. User can 
perform this command to see if they work normally.