Some devices that demand 60W or less are not powered by the NPD-9501A Midspan
The Midspan was released before the standards on mega poe were crystallized into accepted definitions at the IEEE standardization body. This device specifically targets to support power application to Bosch products that could not be served by lower capacity power source equipment.
Using power devices that are not listed for this product in the datasheet migth result in power failure.
For products demanding 60W or less advise to use NPD-6001B Midspan.