Huawei Switches: PSU Operation Status
This check monitors the operational status of the PSUs in Huawei switches.
The check will report OK as long as the operational status is "enabled".
Otherwise the check will report CRITICAL status.
It supports the stacking function in which multiple devices are connected
together to logically function as one device.
The stack member number, followed by slash (/), followed by a consecutive number for each
PSU of this member.
One service is created for each PSU of each stack member.