==== T2_delivery_system_descriptor

Defined by DVB in <<ETSI-300-468>>.

[source,xml]
----
<T2_delivery_system_descriptor
    plp_id="uint8, required"
    T2_system_id="uint16, required">

  <!-- Optional extension -->
  <extension
      SISO_MISO="SISO|MISO|uint2, required"
      bandwidth="8MHz|7MHz|6MHz|5MHz|10MHz|1.712MHz|uint4, required"
      guard_interval="1/32|1/16|1/8|1/4|1/128|19/128|19/256|uint3, required"
      transmission_mode="2k|8k|4k|1k|16k|32k|uint3, required"
      other_frequency="bool, required"
      tfs="bool, required">

    <!-- One per cell -->
    <cell cell_id="uint16, required">
      <!-- Only one if tfs is false, any number if tfs is true -->
      <centre_frequency value="FrequencyHz, required"/>
      <!-- One per subcell -->
      <subcell cell_id_extension="uint8, required"
               transposer_frequency="FrequencyHz, required"/>
    </cell>

  </extension>

</T2_delivery_system_descriptor>
----
