module ieee802-ethernet-pse {

    yang-version 1.1;

    namespace
      "urn:ieee:std:802.3:yang:ieee802-ethernet-pse";

    prefix ieee802-pse;

    import ietf-interfaces {
      prefix if;
      reference
        "IETF RFC 8343";


    }
    import ietf-yang-types {
      prefix yang;
      reference
        "IETF RFC 6991";


    }
    import ieee802-ethernet-interface {
      prefix ieee802-eth-if;
    }

    organization
      "IEEE 802.3 Ethernet Working Group
     Web URL: http://www.ieee802.org/3/";

    contact
      "Web URL: http://www.ieee802.org/3/";

    description
      "This module is deprecated and superceeded by
         ieee802-ethernet-pse-2.
         This module contains YANG definitions for configuring and
     managing ports with Power Over Ethernet feature defined by
     IEEE 802.3. It provides functionality roughly equivalent to
     that of the POWER-ETHERNET-MIB defined in IETF RFC 3621.";

    revision "2025-04-17" {
      description
        "Deprecated in IEEE Std 802.3.2-202x, Draft D3.3, superceeded by
          ieee802-ethernet-pse-2";
      reference
        "IEEE Std IEEE Std 802.3.2-202x, unless dated explicitly";

    }


    identity pse-type {
      description "Base type for PSE.";
    }

    identity all {
      base powering-pairs;
      description "All pairs are in use.";
    }

    identity four-pair {
      base pse-type;
      description
        "PSE support IEEE Std 802.3, Clause 145.";
    }

    identity two-pair {
      base pse-type;
      description
        "PSE supports IEEE Std 802.3, Clause 33.";
    }

    identity single-pair {
      base pse-type;
      description
        "PSE support IEEE Std 802.3, Clause 104.";
    }

    identity powering-pairs {
      description
        "Base type for powering pairs.";
    }

    identity signal {
      base powering-pairs;
      description
        "The signal pairs are in use.";
    }

    identity spare {
      base powering-pairs;
      description
        "The spare pairs are in use.";
    }

    typedef multi-pair-detection-state {
      type enumeration {
        enum "disabled" {
          value 1;
          description "PSE disabled.";
        }
        enum "searching" {
          value 2;
          description "PSE is searching.";
        }
        enum "deliveringPower" {
          value 3;
          description
            "PSE is delivering power.";
        }
        enum "fault" {
          value 4;
          description "PSE fault detected.";
        }
        enum "test" {
          value 5;
          description "PSE test mode.";
        }
        enum "otherFault" {
          value 6;
          description
            "PSE implementation specific fault detected.";
        }
      }
      status deprecated;
      description
        "Deprecated in IEEE Std 802.3.2-202x, Draft D3.1, superceeded by
           ieee802-ethernet-pse-2
           Detection state of a multi-pair PSE.";
      reference
        "IEEE Std 802.3, 30.9.1.1.5";

    }

    typedef single-pair-detection-state {
      type enumeration {
        enum "unknown" {
          value 1;
          description
            "True detection state unknown.";
        }
        enum "disabled" {
          value 2;
          description
            "PoDL PSE is disabled.";
        }
        enum "searching" {
          value 3;
          description
            "PoDL PSE is searching.";
        }
        enum "deliveringPower" {
          value 4;
          description
            "PoDL PSE is delivering power.";
        }
        enum "sleep" {
          value 5;
          description
            "PoDL PSE is in sleep state.";
        }
        enum "idle" {
          value 6;
          description "PoDL PSE is idle.";
        }
        enum "error" {
          value 7;
          description "PoDL PSE error.";
        }
      }
      status deprecated;
      description
        "Deprecated in IEEE Std 802.3.2-202x, Draft D3.1, superceeded by
          ieee802-ethernet-pse-2
       Detection state of a PoDL PSE.";
      reference
        "IEEE Std 802.3, 30.15.1.1.3";

    }

    typedef power-class {
      type enumeration {
        enum "class0" {
          value 1;
          description "Class 0";
        }
        enum "class1" {
          value 2;
          description "Class 1";
        }
        enum "class2" {
          value 3;
          description "Class 2";
        }
        enum "class3" {
          value 4;
          description "Class 3";
        }
        enum "class4" {
          value 5;
          description "Class 4";
        }
        enum "class5" {
          value 6;
          description
            "Class 5 (for PoDL-only)";
        }
        enum "class6" {
          value 7;
          description
            "Class 6 (for PoDL-only)";
        }
        enum "class7" {
          value 8;
          description
            "Class 7 (for PoDL-only)";
        }
        enum "class8" {
          value 9;
          description
            "Class 8 (for PoDL-only)";
        }
        enum "class9" {
          value 10;
          description
            "Class 9 (for PoDL-only)";
        }
        enum "unknown" {
          value 11;
          description
            "Initializing, true Power Class not yet known
           (only for PoDL PSE).";
        }
      }
      status deprecated;
      description
        "Deprecated in IEEE Std 802.3.2-202x, Draft D3.1, superceeded by
          ieee802-ethernet-pse-2
          The power class.";
      reference
        "IEEE Std 802.3, 30.9.1.1.6 aPSEPowerClassification and
        IEEE Std 802.3, 30.15.1.1.6 aPoDLPSEDetectedPDPowerClass.";

    }

    augment /if:interfaces/if:interface/ieee802-eth-if:ethernet {
      status deprecated;
      description
        "Deprecated in IEEE Std 802.3.2-202x, Draft D3.1, superceeded by
           ieee802-ethernet-pse-2
           Augments ethernet interface configuration model with
       nodes specific to DTE Power via MDI devices and ports";
      container pse {
        description
          "DTE Power via MDI port configuration";
        reference
          "IEEE Std 802.3, 30.9.1 PoE PSE & IEEE Std 802.3, 30.15.1
          PoDL PSE";

        leaf supported-pse-type {
          type identityref {
            base ieee802-pse:pse-type;
          }
          config false;
          description
            "PSE supports one or more of IEEE Std 802.3 Clause 33,
           Clause 104, or Clause 145.";
        }

        container multi-pair {
          presence
            "PSE port supports IEEE Std 802.3, Clause 33.";
          status deprecated;
          description
            "Deprecated in IEEE Std 802.3.2-202x, Draft D3.1, superceeded by
           ieee802-ethernet-pse-2PSE port configuration in IEEE Std 802.3,
           30.9.1.";
          leaf pse-enable {
            type boolean;
            default "false";
            description
              "When true enables the PSE function on the interface,
             when false disables the PSE function on the
             interface.";
            reference
              "IEEE Std 802.3, 30.9.1.1.2 aPSEAdminState";

          }

          leaf powering-pairs {
            type identityref {
              base powering-pairs;
            }
            description
              "Describes or controls the PSE pairs in use. If the
             value of pairs-control-ability is true, this object
             is writeable.";
            reference
              "IEEE Std 802.3, 30.9.1.1.4 aPSEPowerPairs";

          }

          leaf pairs-control-ability {
            type boolean;
            default "true";
            config false;
            description
              "Describes the ability to control switching the
             power sourcing pins of the PSE.";
            reference
              "IEEE Std 802.3, 30.9.1.1.3
              aPSEPowerPairsControlAbility";

          }

          leaf detection-status {
            type multi-pair-detection-state;
            config false;
            status deprecated;
            description
              "Deprecated in IEEE Std 802.3.2-202x, Draft D3.1, superceeded by
             ieee802-ethernet-pse-2
             Describes the operational status of the port
             PD detection.";
            reference
              "IEEE Std 802.3, 30.9.1.1.5 aPSEPowerDetectionStatus";

          }

          leaf classifications {
            when
              "../detection-status = 'deliveringPower'" {
              description
                "Deprecated in IEEE Std 802.3.2-202x, Draft D3.1, superceeded by
               ieee802-ethernet-pse-2
               This node only applies when the detection status is
               delivering power.";
            }
            type power-class;
            config false;
            status deprecated;
            description
              "The power class of the PSE port.";
            reference
              "IEEE Std 802.3, 30.9.1.1.6 aPSEPowerClassfication";

          }

          container statistics {
            config false;
            status deprecated;
            description
              "Deprecated in IEEE Std 802.3.2-202x, Draft D3.1, superceeded by
             ieee802-ethernet-pse-2statistics information of the multi-pair
             port.";
            leaf power-denied {
              type yang:counter64;
              description
                "This counter is incremented when the PSE state
               diagram enters the POWER_DENIED state, per
               IEEE Std 802.3, Figure 33-9.";
              reference
                "IEEE Std 802.3, 30.9.1.1.14";

            }

            leaf invalid-signature {
              type yang:counter64;
              description
                "This counter is incremented when the PSE state
               diagram enters the SIGNATURE_INVALID state per
               IEEE Std 802.3, Figure 33-9.";
              reference
                "IEEE Std 802.3, 30.9.1.1.11";

            }

            leaf mps-absent {
              type yang:counter64;
              description
                "This counter is incremented when the PSE
               transitions directly from the POWER_ON state to the
               IDLE state due to tmpdo_timer_done being asserted,
               per IEEE Std 802.3, Figure 33-9.";
              reference
                "IEEE Std 802.3, 30.9.1.1.20";

            }

            leaf overload {
              type yang:counter64;
              status deprecated;
              description
                "This counter is incremented when the PSE state
               diagram enters the ERROR_DELAY state due to the
               ovld_detected variable being TRUE, per
               IEEE Std 802.3, Figure 33-9.";
              reference
                "IEEE Std 802.3, 30.9.1.1.17";

            }

            leaf short {
              type yang:counter64;
              status deprecated;
              description
                "This Yang object is deprecated as its not defined in
               base standard.
               This counter is incremented when the PSE state
               diagram enters the ERROR_DELAY state due to the
               short_detected variable being TRUE, per
               IEEE Std 802.3, Figure 33-9.";
              reference
                "IEEE Std 802.3, 30.9.1.1.10 aPSEShortCounter";

            }

            leaf cumulative-energy {
              type yang:counter64;
              units "millijoules";
              description
                "The cumulative energy supplied by the PSE as
               measured at the MDI in millijoules.";
              reference
                "IEEE Std 802.3, 30.9.1.1.25";

            }
          }  // container statistics

          leaf actual-power {
            type decimal64 {
              fraction-digits 4;
            }
            units "milliwatts";
            config false;
            description
              "The actual power drawn by a PD over the port.";
            reference
              "IEEE Std 802.3, 30.9.1.1.23";

          }

          leaf power-accuracy {
            type int64;
            units "milliwatts";
            config false;
            description
              "An integer value indicating the accuracy
             associated with power-accuracy in +/- milliwatts.";
            reference
              "IEEE Std 802.3, 30.9.1.1.24";

          }
        }  // container multi-pair

        container single-pair {
          presence
            "PSE port working in PoDL.";
          status deprecated;
          description
            "Deprecated in IEEE Std 802.3.2-202x, Draft D3.1, superceeded by
           ieee802-ethernet-pse-2
           PoDL PSE configuration as defined in
           IEEE Std 802.3, 30.15.1.";
          leaf pse-enable {
            type boolean;
            default "false";
            status deprecated;
            description
              "Deprecated in IEEE Std 802.3.2-202x, Draft D3.1, superceeded by
             ieee802-ethernet-pse-2
             When true enables the PSE function on the interface,
             when false disables the PSE function on the
             interface.";
            reference
              "IEEE Std 802.3, 30.15.1.1.2 aPoDLPSEAdminState";

          }

          leaf detection-status {
            type single-pair-detection-state;
            config false;
            status deprecated;
            description
              "Deprecated in IEEE Std 802.3.2-202x, Draft D3.1, superceeded by
             ieee802-ethernet-pse-2
             Indicates the current status of the PoDL PSE.";
            reference
              "IEEE Std 802.3, 30.15.1.1.3
              aPoDLPSEPowerDetectionStatus";

          }

          leaf podl-type {
            type enumeration {
              enum "unknown" {
                value 0;
                description
                  "Unknown PSE type.";
              }
              enum "typeA" {
                value 1;
                description "TypeA PSE";
              }
              enum "typeB" {
                value 2;
                description "TypeB PSE";
              }
              enum "typeC" {
                value 3;
                description "Type PSEC";
              }
              enum "typeD" {
                value 4;
                description "TypeD PSE";
              }
              enum "typeE" {
                value 5;
                description "TypeE PSE";
              }
              enum "typeF" {
                value 6;
                description "TypeF PSE";
              }
            }
            config false;
            description
              "PSE type specified in and
             IEEE Std 802.3,  30.15.1.1.4.";
          }

          leaf detected-pd-type {
            when
              "../detection-status = 'deliveringPower'" {
              description
                "This node only applies when the detection status is
               delivering power.";
            }
            type enumeration {
              enum "unknown" {
                value 0;
                description
                  "Unknown PD type";
              }
              enum "typeA" {
                value 1;
                description "TypeA PD";
              }
              enum "typeB" {
                value 2;
                description "TypeB PD";
              }
              enum "typeC" {
                value 3;
                description "TypeC PD";
              }
              enum "typeD" {
                value 4;
                description "TypeD PD";
              }
              enum "typeE" {
                value 5;
                description "TypeE PD";
              }
              enum "typeF" {
                value 6;
                description "TypeF PD";
              }
            }
            config false;
            description
              "Indicates the Type of the detected PoDL PD as
             specified in IEEE Std 802.3, 104.5.1.";
            reference
              "IEEE Std 802.3, 30.15.1.1.5 aPoDLPSEDetectedPDType";

          }

          leaf pd-power-class {
            when
              "../detection-status = 'deliveringPower'" {
              description
                "This node only applies when the detection status is
               delivering power.";
            }
            type power-class;
            config false;
            status deprecated;
            description
              "Deprecated in IEEE Std 802.3.2-202x, Draft D3.1, superceeded by
             ieee802-ethernet-pse-2
             Power class of the PD detected on the PSE port.";
            reference
              "IEEE Std 802.3, 30.15.1.1.6
              aPoDLPSEDetectedPDPowerClass";

          }

          container statistics {
            config false;
            status deprecated;
            description
              "Deprecated in IEEE Std 802.3.2-202x, Draft D3.1, superceeded by
             ieee802-ethernet-pse-2
             PSE Discontinuities in the values of counters in this
             container can occur at re-initialization of the
             management system, and at other times as indicated by the
             value of the 'discontinuity-time' leaf  defined in the
             ietf-interfaces YANG module (IETF RFC 8343).";
            leaf power-denied {
              type yang:counter64;
              description
                "This counter is incremented when the PoDL PSE state
               diagram variable power_available transitions from
               true to false (see IEEE Std 802.3, 104.4.3.3).";
              reference
                "IEEE Std 802.3, 30.15.1.1.9
                aPoDLPSEPowerDeniedCounter";

            }

            leaf invalid-signature {
              type yang:counter64;
              description
                "This counter is incremented when the PSE state
               diagram enters the SIGNATURE_INVALID state per
               IEEE Std 802.3, Figure 33-9.";
              reference
                "IEEE Std 802.3, 30.15.1.1.7
                aPoDLPSEInvalidSignatureCounter";

            }

            leaf invalid-class {
              type yang:counter64;
              description
                "This counter is incremented when the PoDL PSE state
               diagram variable tclass_timer_done transitions from
               false to true or when the valid_class variable
               transitions from true to false
               (see IEEE Std 802.3, 104.4.3.3).";
              reference
                "IEEE Std 802.3, 30.15.1.1.8
                aPoDLPSEInvalidClassCounter";

            }

            leaf overload {
              type yang:counter64;
              description
                "This counter is incremented when the PSE state
               diagram variable overload_held transitions from
               false to true (see IEEE Std 802.3, 104.4.3.3).";
              reference
                "IEEE Std 802.3, 30.15.1.1.10
                aPoDLPSEOverLoadCounter";

            }

            leaf fvs-absence {
              type yang:counter64;
              description
                "Maintain Full Voltage Signature absent counter.
               This counter is incremented when the PoDL PSE state
               diagram variable mfvs_timeout transitions from false
               to true (see IEEE Std 802.3, 104.4.3.3).";
              reference
                "IEEE Std 802.3, 30.15.1.1.11
                aPoDLPSEMaintainFullVoltageSignatureAbsentCounter";

            }

            leaf cumulative-energy {
              type yang:counter64;
              units "millijoules";
              description
                "A count of the cumulative energy supplied by the
               PoDL PSE, measured at the MDI, and expressed in
               units of millijoules.";
              reference
                "IEEE Std 802.3, 30.15.1.1.14
                aPoDLPSECumulativeEnergy";

            }
          }  // container statistics

          leaf actual-power {
            type decimal64 {
              fraction-digits 4;
            }
            units "milliwatts";
            config false;
            description
              "An integer value indicating present (actual) power
             being supplied by the PoDL PSE as measured at the MDI
             in milliwatts.";
            reference
              "IEEE Std 802.3, 30.15.1.1.12 aPoDLPSEActualPower";

          }

          leaf power-accuracy {
            type int64;
            units "milliwatts";
            config false;
            description
              "A signed integer value indicating the accuracy
             associated
             with power-accuracy in milliwatts.";
            reference
              "IEEE Std 802.3, 30.15.1.1.13 aPoDLPSEPowerAccuracy";

          }
        }  // container single-pair
      }  // container pse
    }
  }  // module ieee802-ethernet-pse