Huawei Switches: Fans
This check monitors the fan speed in percentage of Huawei switches.
It supports the stacking function in which multiple devices are connected
together to logically function as one device.
Upper and lower levels can be configured in WATO.
The stack member number, followed by slash (/), followed by a consecutive number for each
fan of this member.
One service is created for each fan of each stack member.