06-06-2016 06:43 AM - edited 03-01-2019 03:01 PM
Hello,
does anyone know what is the critical temperature of CYLON ASIC on ASR920 and what is the router behavior to prevent overheating?
Currently the router shows 80 degrees of Celsius and the state is normal, but I have observed also 92 degrees.
Router#show environment sensor Temp
Sensor: Temp: CYLON Location: R0
Current State: Normal Reading: 80 Celsius
Regards,
P.
06-06-2016 10:01 AM
Below temperature
0-Normal Low:-2147483647 High:99 Margin:0 Action:NONE Alarm:NONE Poll:60000 Reminder:3600000 1-Minor Low:100 High:104 Margin:0 Action:RECORD Alarm:MINOR Poll:60000 Reminder:3600000 2-Major Low:105 High:109 Margin:0 Action:RECORD Alarm:MAJOR Poll:60000 Reminder:3600000 3-Critical Low:110 High:111 Margin:0 Action:RECORD Alarm:CRITICAL Poll:60000 Reminder:3600000 4-Shutdown Low:112 High:2147483647 Margin:0 Action:SHUTDOWN Alarm:CRITICAL Poll:60000 Reminder:3600000
05-17-2018 11:29 PM
The thresholds for CYLON are 100,105,110,112 Celsius. It is quite weird that some semiconductor can correctly work at 100 °C.
#show environment
Slot Sensor Current State Reading Threshold(Minor,Major,Critical,Shutdown)
---- ------ ------------- ------- ---------------------------------------
R0 Temp: Outlet1 Normal 62 Celsius (85 ,90 ,92 ,95 )(Celsius)
R0 Temp: Outlet2 Normal 41 Celsius (80 ,85 ,87 ,90 )(Celsius)
R0 Temp: CPU Normal 58 Celsius (105,110,115,120)(Celsius)
R0 Temp: CYLON Normal 82 Celsius (100,105,110,112)(Celsius)
R0 Temp: Board Normal 43 Celsius (85 ,88 ,90 ,95 )(Celsius)
R0 Temp: Inlet Normal 39 Celsius (72 ,74 ,76 ,78 )(Celsius)
R0 Temp: FC PWM Fan Speed 29% 39 Celsius (6 ,26 ,46 )(Celsius)
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