Description

user@router> show chassis environment pem all-members

localre:

--------------------------------------------------------------------------

FPC 0 PEM 0 status:

State Online

Airflow Front to Back

Temp Sensor 0 OK 29 degrees C / 84 degrees F

Temp Sensor 1 OK 40 degrees C / 104 degrees F

Temp Sensor 2 OK 34 degrees C / 93 degrees F

Fan 0 12096 RPM

Fan 1 12096 RPM

DC Output Voltage(V) Current(A) Power(W) Load(%)

0 17 0 0 <--------------------

FPC 0 PEM 1 status:

State Online

Airflow Front to Back

Temp Sensor 0 OK 31 degrees C / 87 degrees F

Temp Sensor 1 OK 37 degrees C / 98 degrees F

Temp Sensor 2 OK 30 degrees C / 86 degrees F

Fan 0 12192 RPM

Fan 1 12192 RPM

DC Output Voltage(V) Current(A) Power(W) Load(%)

0 15 0 0 <--------------------

Symptoms

Power voltage, wattage, load % sensor outputs are not displayed in the cli command show chassis environment pem for the AS7816 devices

Solution

This is software issue and being addressed from 24.4 onwards.

After the fix, the output looks like

 

root@d22-26> show chassis environment pem

localre:

--------------------------------------------------------------------------

FPC 0 PEM 0 status:

 State                     Online

 Airflow                   Back to Front

 Temp Sensor 0                          OK  30 degrees C / 86 degrees F

 Temp Sensor 1                          OK  38 degrees C / 100 degrees F

 Temp Sensor 2                          OK  33 degrees C / 91 degrees F

 Fan 0                     11888 RPM

 Fan 1                     11888 RPM

 DC Output          Voltage(V) Current(A) Power(W) Load(%)

                       12         18           216     25 <<<<<<<<<<< pls refer here

 

Modification History

2025-10-07 : Article Created