70
401925/C
InstallingandtroubleshootingNetworkTime
Protocol(NTP)
NTP(NetworkTimeProtocol)isanetworkprotocolthatenablesyoutosynchronizethe
clocksondevicesoveranetwork.ItusesoneormoreNTPserverstomaintainahighly
accuratetime,andallowsclientstoqueryforthistime.Whenclientsquerytheserver
theyautomaticallyadjusttheirowninternalclockstomirrortheNTPserver.These
tasksareonlyapplicableforaEK80systemttedwithrelevanthardwareforacoustic
Dopplercurrentproler(ADCP)functionality.
Topics
InstallingNetworkTimeProtocol(NTP),page70
InstallingNetworkTimeProtocol(NTP)monitor,page74
TroubleshootingtheNetworkTimeProtocol(NTP)service,page78
InstallingNetworkTimeProtocol(NTP)
NTP(NetworkTimeProtocol)isanetworkprotocolthatenablesyoutosynchronize
theclocksondevicesoveranetwork.ItusesoneormoreNTPserverstomaintaina
highlyaccuratetime,andallowsclientstoqueryforthistime.Whenclientsquerythe
servertheyautomaticallyadjusttheirowninternalclockstomirrortheNTPserver.The
NetworkTimeProtocol(NTP)applicationmustbeinstalledontheEK80ProcessorUnit.
Prerequisites
TodownloadthesoftwareyouneedacomputerconnectedtotheInternet.
Context
InstallinganNetworkTimeProtocol(NTP)applicationisarequirementifyourEK80
ProcessorUnitisconnectedtoacousticDopplercurrentproling(ADCP)hardware.The
EK80requiressynchronizedreceptionoftheKMBinarydatagram.TheNTPapplication
ensuresthattheEK80andtheADCPhardwarearesynchronizedtothevessel’smaster
clock.
Note
Thescreencapturesaretakenfromsoftwareversion4.2.8.Themanufacturermay
changetheseinlaterreleases.
Procedure
1Openawebbrowser.
SimradEK80HarbourAcceptanceTest