Masterclock GMR5000 - Standard Features of the GMR Series; Network Functionality and Protocols; Timekeeping, Stability, and Time Zones

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MasterclockGMRUserManualv2–2016.12
11
StandardFeatures
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 Customconfigurationstomeetapplicationrequirements(seeOptionalFeatures)
 NTPserver/clientfunctionalitywithselectableStratumidentificationlevels(1‐15)
 NTPserveraccuracy:±2milliseconds
 ServethousandsofNTPclientsonanetwork
 SupportsNTPbroadcast,multicast,and/orunicast(query)modesofoperation
 UTC
timeinternalreference
 ‐11.5to+12hourtimezoneoffsetsin30‐minuteincrements
 Automaticdaylightsaving(US&Canadatimestandard)
 HighStabilityTemperatureControlledCrystalOscillator(TCXO)maintainstimeduringlossofexternalsync
within±3seconds/year
 Non‐volatilememoryconfiguration
 Internal
RealTimeClock(RTC)backedbyamaintenance‐freerechargeablebatteryretainstimeduring
lossofpowerorlossofactivereference(s)forupto9monthswithholdoverstabilityof<165ms/day
 FrontpanelLEDstatusindicators
 R232(andRS422onGMR5000)serialportinterface
 Kinemetrics/Truetime
output
 NENA911PSAPmasterclockinput/output
 NMEA0183ASCIIserialinput/output
 ConfigurationandmonitoringviaWinDiscoverysoftwareorTelnet/SSH
 USBserialportconfigurationinterface
 Telnet/SSHinterfaceforalternateconfigurationandmaintenance
 FullyconfigurablenetworksettingsviaDHCPorStaticIPaddressing
 IPv4/IPv6
compatible
 Passwordprotectionandauthenticatedcommunications
 MD5authentication
 SNMP(SimpleNetworkManagementProtocol)withcustomMIB
 SMTP(SimpleMailTransferProtocol)
 Firmwareupgradeability
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