306 lines
13 KiB
Plaintext
306 lines
13 KiB
Plaintext
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ARRIS-CMTS-FFT-MIB DEFINITIONS ::= BEGIN
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IMPORTS
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enterprises, MODULE-IDENTITY, OBJECT-TYPE, Unsigned32, Integer32
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FROM SNMPv2-SMI
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TEXTUAL-CONVENTION, TruthValue
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FROM SNMPv2-TC
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OBJECT-GROUP, MODULE-COMPLIANCE
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FROM SNMPv2-CONF
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ifIndex
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FROM IF-MIB
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cmtsCommon
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FROM ARRIS-MIB;
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cmtsFftMIB MODULE-IDENTITY
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LAST-UPDATED "200402270000Z" -- 27th February 2004
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ORGANIZATION "Arris International"
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CONTACT-INFO
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" Network Management
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Postal: Arris International.
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4400 Cork Airport Business Park
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Cork Airport, Kinsale Road
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Cork, Ireland.
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Tel: +353 21 7305 800
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Fax: +353 21 4321 972"
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DESCRIPTION
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"This MIB manages the FFT software on the Arris CMTS"
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::= { cmtsCommon 1 }
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dcxFftObjects OBJECT IDENTIFIER ::= { cmtsFftMIB 1 }
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dcxFftUpstreamChannelTable OBJECT-TYPE
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SYNTAX SEQUENCE OF DcxFftUpstreamChannelEntry
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MAX-ACCESS not-accessible
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STATUS current
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DESCRIPTION
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"Arris CMTS FFT upstream channel configuration table. An entry in this table
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exists for each ifEntry with an ifType of docsCableUpstreamInterface (129)
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that supports FFT collection and reporting."
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::= { dcxFftObjects 1 }
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dcxFftUpstreamChannelEntry OBJECT-TYPE
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SYNTAX DcxFftUpstreamChannelEntry
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MAX-ACCESS not-accessible
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STATUS current
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DESCRIPTION
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"Arris FFT upstream channel entry."
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INDEX { ifIndex }
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::= { dcxFftUpstreamChannelTable 1 }
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DcxFftUpstreamChannelEntry ::= SEQUENCE {
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dcxFftSize Unsigned32,
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dcxFftSampleRate INTEGER,
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dcxFftCentreFrequency Integer32,
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dcxFftWindowing INTEGER,
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dcxFftLogAveragingTimeConstant Unsigned32,
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dcxFftOutputFormat INTEGER,
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dcxFftOperatingMode INTEGER,
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dcxFftIdleInterval Unsigned32,
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dcxFftBurstSid Unsigned32,
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dcxFftBurstIUC INTEGER,
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dcxFftLogicalChannel INTEGER,
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dcxFftTriggerCount Unsigned32,
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dcxFftEnable TruthValue,
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dcxFftApplyConfig TruthValue,
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dcxFftInProgress TruthValue,
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dcxFftCurrentTriggers Unsigned32
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}
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dcxFftSize OBJECT-TYPE
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SYNTAX Unsigned32
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MAX-ACCESS read-write
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STATUS current
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DESCRIPTION
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"Number of samples to be collected for FFT. Valid
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values are 256, 512, 1024, 2048. The FFT payload size
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will be the number of samples multiplied by the number
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of bytes per sample as determined by dcxFftOutputFormat.
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The duration of the FFT sample will be the number of samples
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divided by the sample rate as determined by dcxFftSampleRate."
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DEFVAL { 2048 }
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::= { dcxFftUpstreamChannelEntry 1 }
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dcxFftSampleRate OBJECT-TYPE
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SYNTAX INTEGER { adcRate(1), halfAdcRate(2), quarterAdcRate(3), quadrupleSymbolRate(4) }
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MAX-ACCESS read-write
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STATUS current
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DESCRIPTION
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"FFT sample rate based on the input source to the FFT. The input to the FFT
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can be the ADC output, the ADC output followed by a down-mixer and half-band
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filter, the ADC output followed by a down-mixer and quarter-band filter, or
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the received channel's Nyquist filter output."
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DEFVAL { halfAdcRate }
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::= { dcxFftUpstreamChannelEntry 2 }
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dcxFftCentreFrequency OBJECT-TYPE
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SYNTAX Integer32
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UNITS "hertz"
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MAX-ACCESS read-write
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STATUS current
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DESCRIPTION
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"FFT centre frequency. This object is used only if dcxFftSampleRate is set
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to halfAdcRate or quarterAdcRate to set the down-mixer frequency."
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DEFVAL { 40960000 }
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::= { dcxFftUpstreamChannelEntry 3 }
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dcxFftWindowing OBJECT-TYPE
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SYNTAX INTEGER { rectangular(1), hanning(2), hamming(3), blackman(4), blackmanHarris(5) }
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MAX-ACCESS read-write
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STATUS current
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DESCRIPTION
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"Set the frequency-domain windowing filter."
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DEFVAL { blackmanHarris }
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::= { dcxFftUpstreamChannelEntry 4 }
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dcxFftLogAveragingTimeConstant OBJECT-TYPE
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SYNTAX Unsigned32 (0..7)
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MAX-ACCESS read-write
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STATUS current
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DESCRIPTION
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"Time averaging constant exponent, M. Constant is
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2^M. Setting this object to zero disables averaging."
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DEFVAL { 0 }
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::= { dcxFftUpstreamChannelEntry 5 }
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dcxFftOutputFormat OBJECT-TYPE
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SYNTAX INTEGER { raw(1), fftIQ(2), fftPower(3), fftAmplitude(4) }
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MAX-ACCESS read-write
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STATUS current
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DESCRIPTION
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"FFT processor output format. Format can be i. raw complex
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time-domain I/Q format ii. FFT data in I/Q format iii. FFT
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data in power format iv. FFT data in amplitude format. The
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sample sizes are 4 bytes (i. - iii.) and 2 bytes (iv.)"
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DEFVAL { fftAmplitude }
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::= { dcxFftUpstreamChannelEntry 6 }
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dcxFftOperatingMode OBJECT-TYPE
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SYNTAX INTEGER { baseSpectrum(1), burstSpectrum(2), periodicSpectrum(3) }
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MAX-ACCESS read-write
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STATUS current
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DESCRIPTION
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"Operating mode of FFT process. Determines whether
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the FFT measurement takes place while no CMs are
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transmitting (measuring noise floor), during a CM
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burst, or by periodically sampling the spectrum
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without regard to scheduling of the upstream."
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DEFVAL { baseSpectrum }
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::= { dcxFftUpstreamChannelEntry 7 }
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dcxFftIdleInterval OBJECT-TYPE
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SYNTAX Unsigned32
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MAX-ACCESS read-write
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STATUS current
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DESCRIPTION
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"Interval in microseconds between consecutive FFT
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triggers when dcxFftOperatingMode is baseSpectrum
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or periodicSpectrum. This object is not used if
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dcxFftOperatingMode is set to burstSpectrum or if
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dcxFftTriggerCount is 1."
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DEFVAL { 50000 }
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::= { dcxFftUpstreamChannelEntry 8 }
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dcxFftBurstSid OBJECT-TYPE
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SYNTAX Unsigned32 (0..16383)
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MAX-ACCESS read-write
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STATUS current
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DESCRIPTION
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"SID on which to trigger the FFT process. This
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object is used only if dcxFftOperatingMode is set
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to burstSpectrum."
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DEFVAL { 1 }
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::= { dcxFftUpstreamChannelEntry 9 }
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dcxFftBurstIUC OBJECT-TYPE
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SYNTAX INTEGER (0..15)
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MAX-ACCESS read-write
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STATUS current
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DESCRIPTION
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"IUC type on which to trigger the FFT process. This
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object is used only if dcxFftOperatingMode is set
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to burstSpectrum or periodicSpectrum. A value of 0
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means trigger on any IUC type."
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DEFVAL { 0 }
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::= { dcxFftUpstreamChannelEntry 10 }
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dcxFftLogicalChannel OBJECT-TYPE
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SYNTAX INTEGER (-1..3)
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MAX-ACCESS read-write
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STATUS current
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DESCRIPTION
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"Logical channel on which to trigger the FFT process.
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This object is used only if dcxFftOperatingMode is
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set to periodicSpectrum. A value of -1 means trigger
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on any logical channel."
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DEFVAL { -1 }
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::= { dcxFftUpstreamChannelEntry 11 }
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dcxFftTriggerCount OBJECT-TYPE
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SYNTAX Unsigned32
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MAX-ACCESS read-write
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STATUS current
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DESCRIPTION
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"Number of times to trigger FFT when dcxFftEnable and
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dcxFftApplyConfig are set to true. Set this object to
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zero to trigger FFT continuously."
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DEFVAL { 0 }
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::= { dcxFftUpstreamChannelEntry 12 }
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dcxFftEnable OBJECT-TYPE
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SYNTAX TruthValue
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MAX-ACCESS read-write
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STATUS current
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DESCRIPTION
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"Set to true to enable FFT on this channel. Set to false to
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disable. Setting will take effect when dcxFftApplyConfig is
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set to true"
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DEFVAL { false }
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::= { dcxFftUpstreamChannelEntry 13 }
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dcxFftApplyConfig OBJECT-TYPE
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SYNTAX TruthValue
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MAX-ACCESS read-write
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STATUS current
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DESCRIPTION
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"Set to true to trigger an FFT process with configuration
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determined by the other objects in this group. An SNMP GET
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of this object will always return false"
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::= { dcxFftUpstreamChannelEntry 14 }
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dcxFftInProgress OBJECT-TYPE
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SYNTAX TruthValue
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"This object will return true if an FFT process is currently
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in progress (having been started by a SET to dcxFftApplyConfig)
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for this upstream channel. Returns false otherwise"
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::= { dcxFftUpstreamChannelEntry 15 }
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dcxFftCurrentTriggers OBJECT-TYPE
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SYNTAX Unsigned32
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"Number of FFT triggers since the last FFT process was
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started."
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::= { dcxFftUpstreamChannelEntry 16 }
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DcxFftPayloadBuffer ::= TEXTUAL-CONVENTION
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STATUS current
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DESCRIPTION
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"A buffer that contains upstream FFT payload data."
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SYNTAX OCTET STRING (SIZE (0..256))
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dcxFftPayloadTable OBJECT-TYPE
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SYNTAX SEQUENCE OF DcxFftPayloadEntry
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MAX-ACCESS not-accessible
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STATUS current
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DESCRIPTION
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"Arris CMTS FFT upstream channel payload table."
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::= { dcxFftObjects 2 }
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dcxFftPayloadEntry OBJECT-TYPE
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SYNTAX DcxFftPayloadEntry
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MAX-ACCESS not-accessible
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STATUS current
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DESCRIPTION
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"Arris CMTS FFT upstream channel payload entry. Multiple entries in this
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table exist for each ifEntry with an ifType of
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docsCableUpstreamInterface (129) that supports the FFT collection and
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currently has FFT data to report."
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INDEX { ifIndex, dcxFftPayloadIndex }
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::= { dcxFftPayloadTable 1 }
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DcxFftPayloadEntry ::= SEQUENCE {
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dcxFftPayloadIndex Unsigned32,
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dcxFftPayloadData DcxFftPayloadBuffer
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}
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dcxFftPayloadIndex OBJECT-TYPE
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SYNTAX Unsigned32
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MAX-ACCESS not-accessible
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STATUS current
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DESCRIPTION
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"An identifier for the 256-byte buffer available
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at the dcxFftPayloadData object."
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::= { dcxFftPayloadEntry 1 }
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dcxFftPayloadData OBJECT-TYPE
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SYNTAX DcxFftPayloadBuffer
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MAX-ACCESS read-only
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STATUS current
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DESCRIPTION
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"The FFT payload data in the buffer identified by
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dcxFftPayloadIndex."
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::= { dcxFftPayloadEntry 2 }
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END
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