submodule bbf-selt-pmd-status-body {

    yang-version 1.1;

    belongs-to bbf-selt {
        prefix bbf-selt;
    }

    organization
      "Broadband Forum <https://www.broadband-forum.org>
     Common YANG Work Area";

    contact
      "Comments or questions about this Broadband Forum YANG module
     should be directed to <mailto:help@broadband-forum.org>.

     Editor:      Ken Kerpez, ASSIA, Inc.

     Editor:      Joey Boyd, Adtran

     PS Leader:   Joey Boyd, Adtran

     WA Director: Sven Ooghe, Nokia

     WA Director: Joey Boyd, Adtran";

    description
      "This submodule contains a collection of YANG definitions for
     managing the Physical Medium Dependent (PMD) object.

     Copyright (c) 2016-2022 Broadband Forum

     Redistribution and use in source and binary forms, with or
     without modification, are permitted provided that the following
     conditions are met:

     1. Redistributions of source code must retain the above copyright
        notice, this list of conditions and the following disclaimer.

     2. Redistributions in binary form must reproduce the above
        copyright notice, this list of conditions and the following
        disclaimer in the documentation and/or other materials
        provided with the distribution.

     3. Neither the name of the copyright holder nor the names of its
        contributors may be used to endorse or promote products
        derived from this software without specific prior written
        permission.

     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
     CONTRIBUTORS \"AS IS\" AND ANY EXPRESS OR IMPLIED WARRANTIES,
     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
     CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

     The above license is used as a license under copyright only.
     Please reference the Forum IPR Policy for patent licensing terms
     <https://www.broadband-forum.org/ipr-policy>.

     Any moral rights which are necessary to exercise under the above
     license grant are also deemed granted under this license.

     This version of this YANG module is part of TR-355a4; see
     the TR itself for full legal notices.";

    revision "2022-05-23" {
      description
        "Amendment 4.
       * Approval Date:    2022-05-23
       * Publication Date: 2022-05-23.";
      reference
        "TR-355a4: YANG Modules for FTTdp Management
        	    <https://www.broadband-forum.org/download/
        		   TR-355_Amendment-4.pdf>";

    }

    revision "2020-10-13" {
      description
        "Amendment 3.
       * Approval Date:    2020-10-13
       * Publication Date: 2020-10-13.";
      reference
        "TR-355a3: YANG Modules for FTTdp Management
        	    <https://www.broadband-forum.org/download/
        		   TR-355_Amendment-3.pdf>";

    }

    revision "2019-06-11" {
      description
        "Amendment 2.
       * Approval Date:    2019-06-11
       * Publication Date: 2019-06-11.";
      reference
        "TR-355a2: YANG Modules for FTTdp Management
        	  <https://www.broadband-forum.org/technical/download/
        		 TR-355_Amendment-2.pdf>";

    }

    revision "2018-10-01" {
      description
        "Amendment 1.
       * Approval Date:    2018-10-01
       * Publication Date: 2018-10-01.";
      reference
        "TR-355a1: YANG Modules for FTTdp Management
        	  <https://www.broadband-forum.org/technical/download/
        		 TR-355_Amendment-1.pdf>";

    }

    revision "2016-07-18" {
      description
        "Initial revision.
       * Approval Date:    see revision date above.
       * Publication Date: 2016-08-05.";
      reference
        "TR-355: YANG Modules for FTTdp Management
        	<https://www.broadband-forum.org/technical/download/
        		 TR-355.pdf>";

    }


    typedef pmd-result {
      type enumeration {
        enum
          "no-measurement-results-available" {
          value 0;
          description
            "No measurement results are available when no mesurement has
           been performed yet or after measurement results have been
           deleted.";
        }
        enum
          "measurement-failed-results-invalid" {
          value 1;
          description
            "The measurement results are invalid after the most recent
           measurement failed.";
        }
        enum
          "measurement-succeeded-results-valid" {
          value 2;
          description
            "The measurement results are valid after the most recent
           measurement succeeded.";
        }
      }
      description
        "The overall results of the SELT PMD measurement.";
    }

    grouping pmd-status {
      description
        "Status parameters for the Physical Medium Dependent (PMD)
       object.";
      leaf selt-status-c {
        type enumeration {
          enum "inactive" {
            value 0;
            description
              "The Central Office (CO) Single Ended Line Test Physical
             Medium Dependent (SELT-PMD) is inactive.";
          }
          enum "uer-ongoing" {
            value 1;
            description
              "The Central Office (CO) Single Ended Line Test Physical
             Medium Dependent (SELT-PMD) has an Uncalibrated Echo
             Response (UER) measurement ongoing.";
          }
          enum "qln-ongoing" {
            value 2;
            description
              "The Central Office (CO) Single Ended Line Test Physical
             Medium Dependent (SELT-PMD) has a Quiet Line Noise (QLN)
             measurement ongoing.";
          }
        }
        description
          "The status of the Central Office (CO) Single Ended Line Test
         Physical Medium Dependent (SELT-PMD) measurement.

         Upon the CO SELT PMD request triggering an Uncalibrated Echo
         Response (UER) measurement, the CO SELT PMD status shall
         become 'uer-ongoing' if the measurement is executed.

         Upon the CO SELT PMD request triggering a Quiet Line Noise
         (QLN) measurement, the CO SELT PMD status shall become
         'qln-ongoing' if the measurement is executed.

         Upon abortion, failure or successful completion of the UER or
         QLN measurement, the CO SELT PMD status shall become
         'inactive' and the Access Node (AN)/Distribution Point Unit
         (DPU) Management Entity (ME) shall send a notification to the
         NMS.";
        reference
          "ITU-T G.996.2 clause A.3.3";

      }

      leaf uer-results-c {
        type pmd-result;
        description
          "The status of the Central Office (CO) Single Ended Line Test
         Physical Medium Dependent (SELT-PMD) Uncalibrated Echo
         Response (UER) measurement results.";
        reference
          "ITU-T G.996.2 clause A.3.4";

      }

      leaf qln-results-c {
        type pmd-result;
        description
          "The status of the Central Office (CO) Single Ended Line Test
         Physical Medium Dependent (SELT-PMD) Quiet Line Noise (QLN)
         measurement results.";
        reference
          "ITU-T G.996.2 clause A.3.5";

      }
    }  // grouping pmd-status
  }  // submodule bbf-selt-pmd-status-body