A set of 8 integers, for each LLID, that defines the
threshold reporting for each Queue in the REPORT
message, as defined in [802.3ah] 64. First Queue set
reporting will provide information on the queue
occupancy of frames below this Threshold. The value
returned shall be in Time quanta (TQ) which is 16nsec or
2 octets increments.
Writing can be done all the time.
This attribute is relevant for an OLT and an ONU.