Masterclock GMR5000 - Optional Features for GMR Series; GPS;GLONASS Receiver Option; High Stability Oscillators (HSO) Options; IEEE 1588 v2 Precision Time Protocol Option

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MasterclockGMRUserManualv2–2016.12
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OptionalFeatures
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YourGMRcanhavehardwaremoduleaccessoriesandmultipleadvancedfunctionoptions,installedupon
manufacture.ThesemaketheGMRanextremelyversatilenetworkdevicesuitableforalargevarietyof
applications.
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GPS/GLONASS
• GPSorGPS/GLONASSreceiveroptionwithupto32‐channelreceiver,upto24satellites
• GPSReceiveraccuracy:±60nanosecond
• GPS/GLONASSReceiver:±25nanosecond
• PPSon‐timeoutputislockedtothetopofeachsecond(standardonGMR5000,optionalonGMR1000)
• NMEA‐
0183messagesonserialportoutput
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HSO:HIGHSTABILITYOSCILLATORS
 StandardTemperatureControlledCrystalOscillator(TCXO)
 OptionalOvenControlledCrystalOscillator(OCXO)provideshighstabilitytimereferenceof±0.25sec/year
driftwhilefreewheelingafterdiscipliningfromaGPSorotheraccuratereference
 OptionalRubidiumoscillatorprovideshighstabilitytimereference±1mS/yeardriftwhilefreewheelingafter
disciplining
fromaGPSorotheraccuratereference
 Calibratestobest“active”timesource(useGPSorGPS/GLONASSoptionformaximumholdoverstability)
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IEEE1588V2PRECISIONTIMEPROTOCOL
 DefaultProfilePTPgrandmaster,slave,ortransparentclock
 Peer‐to‐peerorend‐to‐endconfiguration
 GrandMasterClockaccuracycomparedtotopofsecondofGPSreference:±100nanoseconds
 SlaveclockaccuracycomparedtotopofsecondGrandMasterClockreference:±200nanoseconds
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TCR:TIMECODEREADERMODULE
 ReadsSMPTE24,25,30‐fpsnon‐dropframeandSMPTE29.97dropframe,IRIG‐B(AandEoptional)amplitude
modulatedandpulsewidthcoded(un‐modulated)
 Automatictimecodedetectioncircuitwithautomaticgainadjust
 Single‐endedunbalancedordifferentialbalancedinputs
 DB9breakoutadapter
availablefordifferentialbalancedinput(GMR1000only,notneededonGMR5000)
 Programmabledelayoffsetwith1µSresolution
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