module Cisco-IOS-XE-controller-t1e1-oper {

    yang-version 1;

    namespace
      "http://cisco.com/ns/yang/Cisco-IOS-XE-controller-t1e1-oper";

    prefix t1e1-ios-xe-oper;

    import cisco-semver {
      prefix cisco-semver;
    }

    organization "Cisco Systems, Inc.";

    contact
      "Cisco Systems, Inc.
     Customer Service

     Postal: 170 W Tasman Drive
     San Jose, CA 95134

     Tel: +1 1800 553-NETS

     E-mail: cs-yang@cisco.com";

    description
      "This module contains a collection of YANG definitions
     for monitoring controller T1/E1 operational information.
     Copyright (c) 2019 by Cisco Systems, Inc.
     All rights reserved.";

    revision "2019-11-01" {
      description "Initial revision";
      reference
        "1.0.0";

    }

    cisco-semver:module-version "1.0.0";

    typedef line-type {
      type enumeration {
        enum "line-type-unknown" {
          value 0;
          description "Line unknown";
        }
        enum "line-type-t1" {
          value 1;
          description "T1 line";
        }
        enum "line-type-e1-unbalanced" {
          value 2;
          description "Unbalanced E1";
        }
        enum "line-type-e1-balanced" {
          value 3;
          description "Balanced E1";
        }
      }
      description "T1/E1 line types";
    }

    typedef frame-type {
      type enumeration {
        enum "frame-type-unknown" {
          value 0;
          description "Unknown frame";
        }
        enum "frame-type-sf" {
          value 1;
          description "T1 super-frame";
        }
        enum "frame-type-esf" {
          value 2;
          description
            "T1 extended super-frame";
        }
        enum "frame-type-no-crc4" {
          value 3;
          description "E1 Frame no-crc-4";
        }
        enum "frame-type-crc4" {
          value 4;
          description "E1 Frame crc-4";
        }
        enum "frame-type-mf-no-crc4" {
          value 5;
          description
            "E1 Multi-Frame no-crc-4";
        }
        enum "frame-type-mf-crc4" {
          value 6;
          description "E1 Multi-Frame crc-4";
        }
        enum "frame-type-unframed" {
          value 7;
          description "Unframed";
        }
        enum "frame-type-j1-sf" {
          value 8;
          description "Japan Super-frame";
        }
        enum "frame-type-j1-esf" {
          value 9;
          description
            "Japan Extended Super-frame";
        }
      }
      description "Frame type";
    }

    typedef cdb-state-type {
      type enumeration {
        enum "cdb-state-type-down" {
          value 0;
          description "Down state";
        }
        enum "cdb-state-type-goingdown" {
          value 1;
          description "Going down state";
        }
        enum "cdb-state-type-init" {
          value 2;
          description "Init state";
        }
        enum "cdb-state-type-testing" {
          value 3;
          description "Testing state";
        }
        enum "cdb-state-type-up" {
          value 4;
          description "Up state";
        }
        enum "cdb-state-type-reset" {
          value 5;
          description "Reset state";
        }
        enum "cdb-state-type-admindown" {
          value 6;
          description "Admindown state";
        }
        enum "cdb-state-type-deleted" {
          value 7;
          description "Deleted state";
        }
      }
      description "CDB state type";
    }

    typedef clock-type {
      type enumeration {
        enum "clock-type-unknown" {
          value 0;
          description "Clock unknown";
        }
        enum "clock-type-line" {
          value 1;
          description "Line clock";
        }
        enum "clock-type-internal" {
          value 2;
          description "Internal clock";
        }
        enum "clock-type-primary" {
          value 3;
          description "Line primary clock";
        }
        enum "clock-type-secondary" {
          value 4;
          description "Line secondary clock";
        }
        enum "clock-type-network" {
          value 5;
          description
            "Network clock for voice internal clocking";
        }
        enum "clock-type-free" {
          value 6;
          description "Free run";
        }
      }
      description "T1/E1 clock type";
    }

    typedef line-code-type {
      type enumeration {
        enum "line-code-type-unknown" {
          value 0;
          description "Unknown line code";
        }
        enum "line-code-type-ami" {
          value 1;
          description
            "Alternate mark inversion";
        }
        enum "line-code-type-b8zs" {
          value 2;
          description
            "Bipolar 8-zero substitution";
        }
        enum "line-code-type-hdb3" {
          value 3;
          description
            "High-Density bipolar order 3";
        }
      }
      description "T1/E1 line code types";
    }

    typedef rx-alarm-type {
      type enumeration {
        enum "rx-alarm-type-none" {
          value 0;
          description "Received no alarm";
        }
        enum "rx-alarm-type-ais" {
          value 1;
          description
            "Receive alarm indication signal";
        }
        enum "rx-alarm-type-los" {
          value 2;
          description "Loss of signal";
        }
        enum "rx-alarm-type-lof" {
          value 3;
          description "Loss of frame";
        }
        enum "rx-alarm-type-rem" {
          value 4;
          description "Remote alarm";
        }
        enum "rx-alarm-type-ais-ts16" {
          value 5;
          description
            "Received alarm indication signaling time-slot 16";
        }
        enum "rx-alarm-type-lomf" {
          value 6;
          description
            "Received remote time-slot 16 loss of multi-frame alignment";
        }
      }
      description
        "T1/E1 received alarm types";
    }

    typedef tx-alarm-type {
      type enumeration {
        enum "tx-alarm-type-none" {
          value 0;
          description "Transmitted no alarm";
        }
        enum "tx-alarm-type-rem" {
          value 1;
          description
            "Transmitted remote alarm";
        }
        enum "tx-alarm-type-ais" {
          value 2;
          description
            "Transmit alarm indication signal";
        }
        enum "tx-alarm-type-lomf" {
          value 3;
          description
            "Transmitted loss of multi-frame alignment alarm";
        }
      }
      description
        "T1/E1 transmitted alarm types";
    }

    typedef alarm-trigger-type {
      type enumeration {
        enum "alarm-trigger-none" {
          value 0;
          description "Triggered no alarm";
        }
        enum "alarm-trigger-yellow" {
          value 1;
          description "Yellow alarm";
        }
        enum "alarm-trigger-blue" {
          value 2;
          description "Blue alarm";
        }
      }
      description
        "T1/E1 transmit triggered alarm";
    }

    grouping port-info-key {
      description "Key information";
      leaf slot-num {
        type uint32;
        description "Slot number";
      }

      leaf subslot-num {
        type uint32;
        description "Sub Slot number";
      }

      leaf port-num {
        type uint32;
        description "Port number";
      }
    }  // grouping port-info-key

    grouping t1e1-line-stats-type {
      description "T1/E1 Line information";
      leaf lcvs {
        type uint32;
        description "Line code violations";
      }

      leaf pcvs {
        type uint32;
        description "Path code violations";
      }

      leaf csss {
        type uint32;
        units "seconds";
        description "Slip seconds";
      }

      leaf sefss {
        type uint32;
        units "seconds";
        description "Frame loss seconds";
      }

      leaf less {
        type uint32;
        units "seconds";
        description "Line error seconds";
      }

      leaf dms {
        type uint32;
        units "minutes";
        description "Degraded minutes";
      }

      leaf ess {
        type uint32;
        units "seconds";
        description "Error seconds";
      }

      leaf bess {
        type uint32;
        units "seconds";
        description "Burst error seconds";
      }

      leaf sess {
        type uint32;
        units "seconds";
        description "Severe error seconds";
      }

      leaf uass {
        type uint32;
        units "seconds";
        description "Unavailable seconds";
      }
    }  // grouping t1e1-line-stats-type

    grouping controller-t1e1-info {
      description
        "T1/E1 Controller information";
      leaf state {
        type cdb-state-type;
        description "T1/E1 Controller state";
      }

      leaf type {
        type line-type;
        description "Controller types";
      }

      leaf rx-alarm {
        type rx-alarm-type;
        description "Received alarm";
      }

      leaf tx-alarm {
        type tx-alarm-type;
        description "Transmitted alarm";
      }

      leaf alarm-triggered {
        type alarm-trigger-type;
        description "Triggered alarm";
      }

      leaf clocking {
        type clock-type;
        description "Clocking type";
      }

      leaf framing {
        type frame-type;
        description "Framing type";
      }

      leaf linecoding {
        type line-code-type;
        description "Line Code type";
      }

      container current-15min-stats {
        description
          "Current 15 minutes statistics";
        uses t1e1-ios-xe-oper:t1e1-line-stats-type;
      }  // container current-15min-stats

      container total-stats {
        description
          "Total accumulated statistics";
        uses t1e1-ios-xe-oper:t1e1-line-stats-type;
      }  // container total-stats
    }  // grouping controller-t1e1-info

    container t1e1-oper-data {
      config false;
      description
        "T1/E1 controller information";
      list controller-t1e1-info {
        key "slot-num subslot-num port-num";
        description
          "T1/E1 controller information";
        uses t1e1-ios-xe-oper:controller-t1e1-info;

        uses t1e1-ios-xe-oper:port-info-key;
      }  // list controller-t1e1-info
    }  // container t1e1-oper-data
  }  // module Cisco-IOS-XE-controller-t1e1-oper