Specifications

60GHzand80GHzProductsNMSManual
30 58000511rev.F
CRCerrors: ShortforCyclicRedundancyCheck,CRCisamethodof
detectingerrorsindatatransmission.ACRCiscontrolinformation
sentwithablockofdatathatwhenreceivedcanbeusedtoverify
thatalldatawasreceivedcorrectly.CRCerrorstypicallyindicate
physicaldefectsinfiberorcoppercabling,orpoorreceivesignal
qualityonaradiolink.OneorlessCRCerrorsevery16minutes
onafullyloaded1000Mbpslinkwouldequalabiterrorrateof
under10
12
andisconsideredexcellentperformanceforfiberor
radioconnections.OneCRCerrorevery90secondswouldequala
biterrorrateof10
10
ona100Mbpscopperconnection,which
complieswith100BaseTXspecifications.Whilehighererrorrates
shouldnormallyonlybeseenduringshortperiodsofheavyrain
downpours,mostLANapplicationscaneasilytolerate10
8
bit
errorrateswithoutnoticeabledegradation.
Collisions: Totalnumberofcollisionsdetected.Collisionsindicatethatmore
thanonedeviceistransmittingpacketstoanEthernethubatthe
sametime,andwillnormallybedetectedbythedeviceitselfand
beretransmitted.Collisionsshouldnotoccurwhendevicesare
connectedthroughEthernetswitchesinfullduplexmode.
AutomaticRefresh: Thestatisticspagewillautomaticallyupdateevery10seconds
whenthisparameterisenabled.
Thewebinterfacewillnotautomaticallylogoffinactiveusersif
theAutomaticRefreshoptionisenabledandthebrowser
windowisleftontheStatisticspage.SelecttheLogOutoption
topreventunauthorizedaccesstotheunit.
Clear: Resetsallstatisticscounterstozero.