Check manual page of brocade_mlx_power
Brocade NetIron MLX / ADX / FGS / ICX devices: Power Supplies
Checks the operational status of power supplies on Brocade NetIron MLX / ADX
/ FGS / ICX switching / routing devices.
Returns OK on status 2 (normal), CRIT on status 3 (failure)
and UNKN on every other status.
If a power supply description is delivered by SNMP, the item is build from
the power supply ID plus the description. Otherwise it is just the ID.
Finds one item per power supply.