module org-openroadm-common-link-types {

    yang-version 1;

    namespace
      "http://org/openroadm/common-link-types";

    prefix org-openroadm-common-link-types;

    organization "Open ROADM MSA";

    contact "OpenROADM.org";

    description
      "YANG definitions of common link types.

 Copyright of the Members of the Open ROADM MSA Agreement dated (c) 2016,
 All other rights reserved.

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

 * Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.
 * 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.
 * Neither the Members of the Open ROADM MSA Agreement 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 MEMBERS OF THE OPEN ROADM MSA  AGREEMENT ''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 THE MEMBERS OF THE OPEN ROADM MSA  AGREEMENT 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";

    revision "2019-11-29" {
      description "Version 6.1.0";
    }

    revision "2018-11-30" {
      description "Version 4.1.0";
    }

    revision "2018-03-30" {
      description "Version 3.0.0";
    }


    typedef power-dBm {
      type decimal64 {
        fraction-digits 2;
      }
      units "dBm";
      description "Power value in dBm.";
    }

    typedef ratio-dB {
      type decimal64 {
        fraction-digits 3;
      }
      units "dB";
      description "Power ratio in dB.";
    }

    typedef fiber-pmd {
      type decimal64 {
        fraction-digits 2;
      }
      units "ps/(km[1/2])";
      description
        "Polarization Mode Dispersion expressed in ps/km(1/2).";
    }

    typedef optical-control-mode {
      type enumeration {
        enum "power" {
          value 1;
        }
        enum "gainLoss" {
          value 2;
        }
        enum "off" {
          value 3;
        }
      }
      description
        "Optical Control Mode: identifies specific algorithm related to power management and general optical control.";
      reference
        "openroadm.org: Open ROADM MSA Specification.";

    }
  }  // module org-openroadm-common-link-types