-- XSD schema extracted from ITU-T H.627 (08/2020)

<?xml version="1.0" encoding="utf-8"?>
<schema xmlns="http://www.w3.org/2001/XMLSchema">
  <choice maxOccurs="unbounded">
    <element name="Query">
      <complexType>
        <sequence>
          <!--  Query request command series is shown as follows.-->
          <!--  Command type: device directory query (required)-->
          <element name="CmdType" fixed="Catalog"/>
          <!--  Command SN (required) -->
          <element name="SN" type="integer" minInclusive="1"/>
          <!--  Target device/administrative zone/VSS ID (required) -->
          <element name="DeviceID" type="deviceIDType"/>
          <!-- Start time of adding the device (optional), null shows no limit. -->
          <element name="StartTime" type="dateTime"/>
          <!-- End time of adding the device (optional), null shows the current time.-->
          <element name="EndTime" type="dateTime"/>
        </sequence>
      </complexType>
    </element>
  </choice>
</schema>