tAtmTdpMir identifies the Minimum Information Rate
in kilobits per second.
The default Mir is determined by the Service Category.
The following default applies for Mir that is modifiable
depending upon a given service category:
Applicable Service Category Default Mir Value
UBR (with/without Mir) 0
Note that for the service categories given above,
the value of Mir must be less than or equal to
the value of Pir.