module fujitsu-optical-tributary-signal-group {

    yang-version 1;

    namespace
      "urn:fujitsu:params:xml:ns:yang:interface:otsig";

    prefix otsig;

    import ietf-interfaces {
      prefix if;
    }
    import fujitsu-state-timer {
      prefix st;
    }
    import fujitsu-entity-states {
      prefix entity-states;
    }
    import fujitsu-if-type {
      prefix fjift;
    }

    organization "Fujitsu Ltd.";

    contact
      "Fujitsu Ltd.
     
     Address: 2801 Telecom Parkway
              Richardson, Texas 75082
     
     Tel: +1-800-USE-FTAC (1-800-873-3822)
     Email: ftac@fnc.fujitsu.com
     Web: www.fujitsu.com/us/services/telecom";

    description
      "This module contains YANG definitions 
     for the Optical Transport Interfaces.
     
     Copyright (c) 2015 Fujitsu Network Communications, inc.
     All rights reserved. ";

    revision "2015-04-10" {
      description "Initial revision.";
    }


    identity nw-rate-identity {
      description
        "A unique rate identification of the OTUCn.";
    }

    identity R400G {
      base nw-rate-identity;
      description
        "Identity for 400G NW Rate";
    }

    identity R300G {
      base nw-rate-identity;
      description
        "Identity for 300G NW Rate";
    }

    identity R200G {
      base nw-rate-identity;
      description
        "Identity for 200G NW Rate";
    }

    identity R100G {
      base nw-rate-identity;
      description
        "Identity for 100G NW Rate";
    }

    grouping otsig-attributes {
      description
        "Optical Tributary Signal Group attributes (OTSIG)";
      uses entity-states:oper-status;

      uses entity-states:admin-status {
        refine admin-status {
          default "down";
          mandatory false;
        }
      }

      leaf ais-pt {
        type enumeration {
          enum "shutdown" {
            value 0;
          }
          enum "none" {
            value 1;
          }
        }
      }

      leaf nwrate {
        type identityref {
          base nw-rate-identity;
        }
        description "network rate";
      }

      leaf subcarrier {
        type uint8 {
          range "1..2";
        }
        description
          "The number of sub carrier. 
         This Value is decided depending on otucn-rate-identity.";
      }

      leaf modulation-format {
        type enumeration {
          enum "bpsk" {
            value 0;
            description
              "binary phase-shift keying";
          }
          enum "dc-dp-bpsk" {
            value 1;
            description
              "DC dual-polarization binary phase-shift keying";
          }
          enum "qpsk" {
            value 2;
            description
              "quadrature phase-shift keying";
          }
          enum "dp-qpsk" {
            value 3;
            description
              "dual-polarization binary phase-shift keying";
          }
          enum "qam16" {
            value 4;
            description
              "quadrature amplitude modulation 16";
          }
          enum "dp-qam16" {
            value 5;
            description
              "dual-polarization quadrature amplitude modulation 16";
          }
          enum "dc-dp-qam16" {
            value 6;
            description
              "DC dual-polarization quadrature amplitude modulation 16";
          }
          enum "qam8" {
            value 7;
            description
              "quadrature amplitude modulation 8";
          }
          enum "dp-qam8" {
            value 8;
            description
              "dual-polarization quadrature amplitude modulation 8";
          }
          enum "dc-dp-qam8" {
            value 9;
            description
              "DC dual-polarization quadrature amplitude modulation 8";
          }
        }
        description "modulation format";
      }

      leaf fec {
        type enumeration {
          enum "hpdfec1" {
            value 0;
            description
              "25% SDFEC used for UTP T200.";
          }
          enum "hpdfec2" {
            value 1;
            description
              "20% SDFEC used for UTP T200.";
          }
        }
        description "FEC mode.";
      }

      leaf roadm-type {
        type enumeration {
          enum "CD" {
            value 0;
            description
              "CD degree is applicable.";
          }
          enum "AWG" {
            value 1;
            description
              "AWG/DIRECT degree is applicable.";
          }
        }
        default "CD";
        description "setting of ROADM type.";
      }

      leaf confmode-type {
        type enumeration {
          enum "100GONLY" {
            value 0;
            description
              "100GONLY if the ROADM systems degree, to which this PIU is connected, carries only 100G wavelengths.";
          }
          enum "10GMIX" {
            value 1;
            description
              "10GMIX if the ROADM systems degree, to which this PIU is connected, carries 10G wavelengths along with 100G wavelengths.";
          }
        }
        default "100GONLY";
        description
          "CNFMODE is a setting to get the best optical reach";
      }

      leaf hi-performance-fec {
        type enumeration {
          enum "ON" {
            value 0;
          }
          enum "OFF" {
            value 1;
          }
        }
        default "OFF";
        description
          "hi-performance-fec is used to improve correction of received data on receiving side";
      }

      leaf Nyquist {
        type enumeration {
          enum "ON" {
            value 0;
          }
          enum "OFF" {
            value 1;
          }
        }
        description
          "Current status of Nyquist filter mode.";
      }

      leaf direction {
        type enumeration {
          enum "uni-rx" {
            value 0;
            description
              "unidirectional receive only";
          }
          enum "uni-tx" {
            value 1;
            description
              "unidirectional transmit only";
          }
          enum "bi" {
            value 2;
            description "bidirectional";
          }
        }
      }
    }  // grouping otsig-attributes

    augment /if:interfaces/if:interface {
      container otsig {
        when
          "../if:type = 'fjift:fujitsuOtsig'";
        presence
          "Attribute Nodes for Optical Transport Signal Group (otsig)";
        description
          "Optical Transport Signal Group:
         Models the optical channel interfaces for an Optical White Box.";
        uses st:state-timer {
          refine actual-vstimer {
            config false;
          }
        }

        uses otsig-attributes {
          refine nwrate {
            mandatory true;
          }

          refine oper-status {
            config false;
          }

          refine Nyquist {
            config false;
          }

          refine subcarrier {
            config false;
          }
        }
      }  // container otsig
    }

    notification otsig-notif {
      leaf name {
        type leafref {
          path "/if:interfaces/if:interface/if:name";
        }
      }

      container otsig {
        uses st:state-timer;

        uses otsig-attributes;
      }  // container otsig
    }  // notification otsig-notif
  }  // module fujitsu-optical-tributary-signal-group