Run the display device [ slot slot-id ] command to view component information and device status. The Type field indicates the device type and subcard type.
<HUAWEI> display device
S5720-56C-PWR-EI-AC's Device status:
Slot Sub Type Online Power Register Status Role
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0 - S5720-56C-PWR-EI Present PowerOn Registered Normal Master
1 ES5D21X02T01 Present PowerOn Registered Normal NA
PWR1 POWER Present PowerOn Registered Normal NA
FAN1 FAN Present PowerOn Registered Normal NA