Masterclock GMR1000 User Manual



MasterclockGMRUserManualv2–2016.12
12
OptionalFeatures

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.

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

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)

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

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



Masterclock GMR1000 Specifications

General

Brand	Masterclock
Model	GMR1000
Category	Control Unit
Language	English