To enable fan speed monitoring on a 7x50 device

Steps
 
1 

On the equipment tree, expand Network→NE→Shelf→Fans→Fan Tray.

2 

Right-click on Fan Tray and choose Properties. The Fan Tray (Edit) form opens.

3 

Enable the Monitor Fan Speed parameter.

4 

Save your changes and close the form.

TCA and MIB statistics are created.

Alarms will be generated if fan speed exceeds threshold limits (Minor - 75%, Major - 80%, Critical - 100%).

End of steps