SNR-ERS-MIB DEFINITIONS ::= BEGIN

IMPORTS
    MODULE-IDENTITY, OBJECT-TYPE, NOTIFICATION-TYPE, enterprises,
    Integer32, Unsigned32, Gauge32, Opaque
        FROM SNMPv2-SMI
    DisplayString, TEXTUAL-CONVENTION
        FROM SNMPv2-TC
    MODULE-COMPLIANCE, NOTIFICATION-GROUP, OBJECT-GROUP
    FROM SNMPv2-CONF
    ;

ers MODULE-IDENTITY
    LAST-UPDATED    "202602021200Z"		-- Feb 02, 2026
    ORGANIZATION	"NAGTECH"
    CONTACT-INFO	"erd@nag.ru"
    DESCRIPTION		"The MIB module for SNR-ERS devices."

    REVISION		"202602021200Z"		-- Feb 02, 2026
    DESCRIPTION		"Fix syntax"

    REVISION		"202506031200Z"		-- jun 03, 2025
    DESCRIPTION		"Initial version of the MIB module."
    ::= { snr 2 }

snr OBJECT IDENTIFIER	::= { enterprises 40418 }

snrERS              OBJECT IDENTIFIER	::= { ers 1 }

ersInputs       OBJECT IDENTIFIER	::= { snrERS 1 }  -- Input tables
ersOutputs      OBJECT IDENTIFIER	::= { snrERS 2 }  -- Output tables 
ersTraps        OBJECT IDENTIFIER	::= { snrERS 3 }  -- Trap Groups
ersSystemObject      OBJECT IDENTIFIER   ::= { ersTraps 1 }
ersIndicatorObject   OBJECT IDENTIFIER   ::= { ersTraps 2 }
ersElementObject     OBJECT IDENTIFIER   ::= { ersTraps 3 }
ersAutomationObject  OBJECT IDENTIFIER   ::= { ersTraps 4 }

-- Explicit Notification Nodes
ersSystemNotifications     OBJECT IDENTIFIER ::= { ersSystemObject 0 }
ersSystemVariables         OBJECT IDENTIFIER ::= { ersSystemObject 1 }

ersIndicatorNotifications  OBJECT IDENTIFIER ::= { ersIndicatorObject 0 }
ersIndicatorVariables      OBJECT IDENTIFIER ::= { ersIndicatorObject 1 }

ersElementNotifications    OBJECT IDENTIFIER ::= { ersElementObject 0 }
ersElementVariables        OBJECT IDENTIFIER ::= { ersElementObject 1 }

ersAutomationNotifications  OBJECT IDENTIFIER ::= { ersAutomationObject 0 }
ersAutomationVariables      OBJECT IDENTIFIER ::= { ersAutomationObject 1 }

ersConformance      OBJECT IDENTIFIER ::= { snrERS 100 }
ersGroups           OBJECT IDENTIFIER ::= { ersConformance 1 }
ersCompliances      OBJECT IDENTIFIER ::= { ersConformance 2 }

-- Textual Conventions
IndicatorUniqueID ::= TEXTUAL-CONVENTION
   DISPLAY-HINT "d"
   STATUS       current
   DESCRIPTION
	   "Represents a non-negative unique identifier for indicators."
   SYNTAX       Unsigned32 (1..4294967295)

Float32TC ::= TEXTUAL-CONVENTION
   DISPLAY-HINT "4x"
   STATUS       current
   DESCRIPTION  "This type represents a 32-bit (4-octet) IEEE 754 floating-point number."
   SYNTAX       Opaque (SIZE(4))


-- ===========================================================================
-- Discrete inputs
-- ===========================================================================

discreteInputsTable OBJECT-TYPE
    SYNTAX      SEQUENCE OF DiscreteInputsEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION "A table of discrete input indicators."
    ::= { ersInputs 1 }

discreteInputsEntry OBJECT-TYPE
    SYNTAX      DiscreteInputsEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION "An entry in the discrete input indicators table."
    INDEX       { inDiscreteID }
    ::= { discreteInputsTable 1 }

DiscreteInputsEntry ::= SEQUENCE {
    inDiscreteID            IndicatorUniqueID,
    inDiscreteName          DisplayString,
    inDiscreteValue         Integer32,
    inDiscreteElementID     Gauge32,
    inDiscreteStatus        DisplayString,
    inDiscreteState         DisplayString,
    inDiscreteNominalValue  Integer32
}

inDiscreteID OBJECT-TYPE
    SYNTAX      IndicatorUniqueID
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION "The unique identifier of the discrete indicator."
    ::= { discreteInputsEntry 1 }

inDiscreteName OBJECT-TYPE
    SYNTAX      DisplayString
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION "The name of the discrete indicator."
    ::= { discreteInputsEntry 2 }

inDiscreteValue OBJECT-TYPE
    SYNTAX      Integer32
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION "The current value of the discrete indicator."
    ::= { discreteInputsEntry 3 }

inDiscreteElementID OBJECT-TYPE
    SYNTAX      Gauge32
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION "The identifier of the element associated with this indicator."
    ::= { discreteInputsEntry 4 }

inDiscreteStatus OBJECT-TYPE
    SYNTAX      DisplayString
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION "The current status of the discrete indicator."
    ::= { discreteInputsEntry 5 }

inDiscreteState OBJECT-TYPE
    SYNTAX      DisplayString
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION "The current state of the discrete indicator."
    ::= { discreteInputsEntry 6 }

inDiscreteNominalValue OBJECT-TYPE
    SYNTAX      Integer32
    MAX-ACCESS  read-write
    STATUS      current
    DESCRIPTION "The nominal value of the discrete indicator."
    ::= { discreteInputsEntry 7 }

-- ===========================================================================
-- Analog inputs
-- ===========================================================================

analogInputsTable OBJECT-TYPE
    SYNTAX      SEQUENCE OF AnalogInputsEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION "A table of analog input indicators."
    ::= { ersInputs 2 }

analogInputsEntry OBJECT-TYPE
    SYNTAX      AnalogInputsEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION "An entry in the analog input indicators table."
    INDEX       { inAnalogID }
    ::= { analogInputsTable 1 }

AnalogInputsEntry ::= SEQUENCE {
    inAnalogID                      IndicatorUniqueID,
    inAnalogName                    DisplayString,
    inAnalogValue                   Float32TC,
    inAnalogElementID               Gauge32,
    inAnalogStatus                  DisplayString,
    inAnalogState                   DisplayString,
    inAnalogCriticalHighThreshold   Float32TC,
    inAnalogWarningHighThreshold    Float32TC,
    inAnalogCriticalLowThreshold    Float32TC,
    inAnalogWarningLowThreshold     Float32TC
}

inAnalogID OBJECT-TYPE
    SYNTAX      IndicatorUniqueID
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION "The unique identifier of the analog indicator."
    ::= { analogInputsEntry 1 }

inAnalogName OBJECT-TYPE
    SYNTAX      DisplayString
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION "The name of the analog indicator."
    ::= { analogInputsEntry 2 }

inAnalogValue OBJECT-TYPE
    SYNTAX      Float32TC
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION "The current value of the analog indicator."
    ::= { analogInputsEntry 3 }

inAnalogElementID OBJECT-TYPE
    SYNTAX      Gauge32
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION "The identifier of the element associated with this indicator."
    ::= { analogInputsEntry 4 }

inAnalogStatus OBJECT-TYPE
    SYNTAX      DisplayString
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION "The current status of the analog indicator."
    ::= { analogInputsEntry 5 }

inAnalogState OBJECT-TYPE
    SYNTAX      DisplayString
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION "The current state of the analog indicator."
    ::= { analogInputsEntry 6 }

inAnalogCriticalHighThreshold OBJECT-TYPE
    SYNTAX      Float32TC
    MAX-ACCESS  read-write
    STATUS      current
    DESCRIPTION "The critical high threshold value. Exceeding this value changes the indicator's state."
    ::= { analogInputsEntry 7 }

inAnalogWarningHighThreshold OBJECT-TYPE
    SYNTAX      Float32TC
    MAX-ACCESS  read-write
    STATUS      current
    DESCRIPTION "The warning high threshold value. Exceeding this value changes the indicator's state."
    ::= { analogInputsEntry 8 }

inAnalogCriticalLowThreshold OBJECT-TYPE
    SYNTAX      Float32TC
    MAX-ACCESS  read-write
    STATUS      current
    DESCRIPTION "The critical low threshold value. Falling below this value changes the indicator's state."
    ::= { analogInputsEntry 9 }

inAnalogWarningLowThreshold OBJECT-TYPE
    SYNTAX      Float32TC
    MAX-ACCESS  read-write
    STATUS      current
    DESCRIPTION "The warning low threshold value. Falling below this value changes the indicator's state."
    ::= { analogInputsEntry 10 }

-- ===========================================================================
-- Discrete outputs
-- ===========================================================================

discreteOutputsTable OBJECT-TYPE
    SYNTAX      SEQUENCE OF DiscreteOutputsEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION "A table of discrete output indicators."
    ::= { ersOutputs 1 }

discreteOutputsEntry OBJECT-TYPE
    SYNTAX      DiscreteOutputsEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION "An entry in the discrete output indicators table."
    INDEX       { outDiscreteID }
    ::= { discreteOutputsTable 1 }

DiscreteOutputsEntry ::= SEQUENCE {
    outDiscreteID       IndicatorUniqueID,
    outDiscreteName     DisplayString,
    outDiscreteValue    Integer32,
    outDiscreteElementID Gauge32
}

outDiscreteID OBJECT-TYPE
    SYNTAX      IndicatorUniqueID
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION "The unique identifier of the discrete indicator."
    ::= { discreteOutputsEntry 1 }

outDiscreteName OBJECT-TYPE
    SYNTAX      DisplayString
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION "The name of the discrete indicator."
    ::= { discreteOutputsEntry 2 }

outDiscreteValue OBJECT-TYPE
    SYNTAX      Integer32
    MAX-ACCESS  read-write
    STATUS      current
    DESCRIPTION "The current value of the discrete indicator."
    ::= { discreteOutputsEntry 3 }

outDiscreteElementID OBJECT-TYPE
    SYNTAX      Gauge32
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION "The identifier of the element associated with this indicator."
    ::= { discreteOutputsEntry 4 }

-- ===========================================================================
-- Analog outputs
-- ===========================================================================

analogOutputsTable OBJECT-TYPE
    SYNTAX      SEQUENCE OF AnalogOutputsEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION "A table of analog output indicators."
    ::= { ersOutputs 2 }

analogOutputsEntry OBJECT-TYPE
    SYNTAX      AnalogOutputsEntry
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION "An entry in the analog output indicators table."
    INDEX       { outAnalogID }
    ::= { analogOutputsTable 1 }

AnalogOutputsEntry ::= SEQUENCE {
    outAnalogID         IndicatorUniqueID,
    outAnalogName       DisplayString,
    outAnalogValue      Float32TC,
    outAnalogElementID  Gauge32
}

outAnalogID OBJECT-TYPE
    SYNTAX      IndicatorUniqueID
    MAX-ACCESS  not-accessible
    STATUS      current
    DESCRIPTION "The unique identifier of the analog indicator."
    ::= { analogOutputsEntry 1 }

outAnalogName OBJECT-TYPE
    SYNTAX      DisplayString
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION "The name of the analog indicator."
    ::= { analogOutputsEntry 2 }

outAnalogValue OBJECT-TYPE
    SYNTAX      Float32TC
    MAX-ACCESS  read-write
    STATUS      current
    DESCRIPTION "The current value of the analog indicator."
    ::= { analogOutputsEntry 3 }

outAnalogElementID OBJECT-TYPE
    SYNTAX      Gauge32
    MAX-ACCESS  read-only
    STATUS      current
    DESCRIPTION "The identifier of the element associated with this indicator."
    ::= { analogOutputsEntry 4 }

-- ===========================================================================
-- SNMP Traps (Notifications)
-- ===========================================================================

ersDyingGasp NOTIFICATION-TYPE
    STATUS      current
    DESCRIPTION "Notification about an unexpected power loss"
    ::= { ersSystemNotifications 1 }

ersTestTrapMsg OBJECT-TYPE
    SYNTAX      DisplayString
    MAX-ACCESS  accessible-for-notify
    STATUS      current
    DESCRIPTION "Message"
    ::= { ersSystemVariables 1 }

-- TRAP = TestTrap
ersTestTrap NOTIFICATION-TYPE
    OBJECTS     { ersTestTrapMsg }
    STATUS      current
    DESCRIPTION "A test SNMP notification to verify the traps' operation."
    ::= { ersSystemNotifications 999 }

-- TRAP = IndicatorStateChanged
ersDiscreteIndicatorStateChanged NOTIFICATION-TYPE
    OBJECTS     { inDiscreteName, inDiscreteState, inDiscreteValue }
    STATUS      current
    DESCRIPTION "Generated when a discrete input indicator's state changes."
    ::= { ersIndicatorNotifications 1 }

ersAnalogIndicatorStateChanged NOTIFICATION-TYPE
    OBJECTS     { inAnalogName, inAnalogState, inAnalogValue }
    STATUS      current
    DESCRIPTION "Generated when a analog input indicator's state changes."
    ::= { ersIndicatorNotifications 2 }

-- TRAP = OutputValueChanged
ersDiscreteOutputValueChangedPrevValue OBJECT-TYPE
    SYNTAX      Integer32
    MAX-ACCESS  accessible-for-notify
    STATUS      current
    DESCRIPTION "The current value of the discrete indicator."
    ::= { ersIndicatorVariables 1 }

ersAnalogOutputValueChangedPrevValue OBJECT-TYPE
    SYNTAX      Float32TC
    MAX-ACCESS  accessible-for-notify
    STATUS      current
    DESCRIPTION "The current value of the analog indicator."
    ::= { ersIndicatorVariables 2 }

ersDiscreteOutputValueChanged NOTIFICATION-TYPE
    OBJECTS     { outDiscreteName, outDiscreteValue, ersDiscreteOutputValueChangedPrevValue }
    STATUS      current
    DESCRIPTION "Generated when a discrete output indicator's value changes."
    ::= {  ersIndicatorNotifications 3 }

ersAnalogOutputValueChanged NOTIFICATION-TYPE
    OBJECTS     { outAnalogName, outAnalogValue, ersAnalogOutputValueChangedPrevValue }
    STATUS      current
    DESCRIPTION "Generated when a discrete output indicator's value changes."
    ::= {  ersIndicatorNotifications 4 }

ersAutomationRuleSucceedName OBJECT-TYPE
    SYNTAX      DisplayString
    MAX-ACCESS  accessible-for-notify
    STATUS      current
    DESCRIPTION "Name of the rule"
    ::= { ersAutomationVariables 1 }

ersAutomationRuleSucceedType OBJECT-TYPE
    SYNTAX      DisplayString 
    MAX-ACCESS  accessible-for-notify
    STATUS      current
    DESCRIPTION "Type of the rule"
    ::= { ersAutomationVariables 2 }

-- TRAP = AutomationRuleSucceed
ersAutomationRuleSucceed NOTIFICATION-TYPE
    OBJECTS { ersAutomationRuleSucceedName, ersAutomationRuleSucceedType }
    STATUS  current
    DESCRIPTION "Fired when automation rule succeeds"
    ::= { ersAutomationNotifications 1 }

-- ===========================================================================
-- Groups & Compliance
-- ===========================================================================

inputTablesGroup OBJECT-GROUP
    OBJECTS {
        inDiscreteName, inDiscreteValue, inDiscreteElementID,
        inDiscreteStatus, inDiscreteState, inDiscreteNominalValue,
        inAnalogName, inAnalogValue, inAnalogElementID,
        inAnalogStatus, inAnalogState, inAnalogCriticalHighThreshold,
        inAnalogWarningHighThreshold, inAnalogCriticalLowThreshold,
        inAnalogWarningLowThreshold
    }
    STATUS current
    DESCRIPTION "A group containing all input indicator objects."
    ::= { ersGroups 1 }

outputTablesGroup OBJECT-GROUP
    OBJECTS {
        outDiscreteName, outDiscreteValue, outDiscreteElementID,
        outAnalogName, outAnalogValue, outAnalogElementID
    }
    STATUS current
    DESCRIPTION "A group containing all output indicator objects."
    ::= { ersGroups 2 }

trapVariablesGroup OBJECT-GROUP
    OBJECTS {
        ersTestTrapMsg, 
        ersDiscreteOutputValueChangedPrevValue,ersAnalogOutputValueChangedPrevValue,
        ersAutomationRuleSucceedName, ersAutomationRuleSucceedType
    }
    STATUS current
    DESCRIPTION "A group containing variables embedded in traps."
    ::= { ersGroups 3 }

trapGroup NOTIFICATION-GROUP
    NOTIFICATIONS {
        ersDiscreteIndicatorStateChanged, ersAnalogIndicatorStateChanged,
        ersDiscreteOutputValueChanged, ersAnalogOutputValueChanged,
        ersAutomationRuleSucceed,
        ersDyingGasp, ersTestTrap
    }
    STATUS current
    DESCRIPTION "A group containing state change notifications."
    ::= { ersGroups 4 }

ersCompliance MODULE-COMPLIANCE
    STATUS current
    DESCRIPTION "The compliance statement for SNR-ERS devices."
    MODULE
        MANDATORY-GROUPS    {
            inputTablesGroup,
            outputTablesGroup,
            trapVariablesGroup,
            trapGroup
        }
    ::= { ersCompliances 5 }

END