Masterclock GMR5000 - Front Panel LED Status Indicators; Configuring the GMR via Preferred Method

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MasterclockGMRUserManualv2–2016.12
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 Unitswith6‐digitLEDswillshowall8s,thenwilldisplaytimeand/ordateaccordingtothesettingstheuser
hasmade.
 YellowNTPLEDsignifyingNTPstatus:Off
 YellowPTPLED(ifpresent):Off
 GreenLOCKLED:Blinkstwicepersecond,withtimeincrementingeach
second.Thisindicateslocktointernal
OCXOoscillatorandacquiringlocktoanexternalsource,ifapplicable.
 GreenLOCKLED:Blinkstwicepersecond.Thisindicatessynchronizationtoanexternalreference
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CONFIGURETHEGMR
USINGYOURPREFERREDMETHOD
Atthistime,theGMRcancommunicatewithWinDiscovery,whichcandetectandidentifytheGMRthroughthe
exchangeofbroadcastmessages,evenwhenTCP/IPnetworkingparametersarenotconfiguredonthesame
network.
OncetheGMRhasavalidnetworkconfigurationandtheIPaddressoftheunitisknown,
itcanalsobeaccessed
andconfiguredviaSSHorTelnetbycomputersinthesamenetwork.
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FRONTPANEL‘LED’STATUS
GMRmodelshaveLEDsonthefrontpaneltoshowstatus.
Theleft‐mostyellowLED(labeledPTPforPrecisionTimeProtocol,IEEE1588)flashesbrieflywitheveryPTPdelay
request(PTPisanoptionalfeature).
ThecenteryellowLED(labeled:NTPforNetworkTimeProtocol)flashesbrieflywithevery
NTPrequest.
Theright‐mostgreenLED(labeled:LockorSync)blinkstwicepersecondwhenthedeviceisnotlockedtoa
reference,andoncepersecondwhensyncedtoanexternalreferencesuchasGPS,PTP,TimeCode,asNTP.
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