Kongsberg Simrad Mk3 - Page 24

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110-0001063/A
USBconnectors
TheProcessorUnitoffersseveralUSBinterfacesockets.TheUSBsocketscanbeused
tointerfaceperipheraldevicessuchasUSBashdrives,portableharddisks,mouseand
keyboard.USBisnormallynotusedtointerfaceperipheraldevices,butthismaybe
possibleifyouuseUSBtoSerialconverters.NotethatmostUSB-to-serialconverters
willintroducesomelatency.Theymayalsointroducejitterinthecommunication.The
amountofjitterdependsonthequalityoftheconverter.
Remotecontrolconnector
SW
AdedicatedsocketontherearsideoftheProcessorUnitcabinetallowsyoutoturn
onthecomputerbymeansofaremotecontrolswitch.
Seriallineconnectors
MaximumlengthforanRS-232serialcableistypically60meterswith2400bpsdata
rate,howeverthisdependsonthecablequality.Alwayscheckthecablemanufacturers
specicationsfortheactual"shuntcapacitance".Acommongureis47.5pF/m,which
givesamaximumcablelengthofabout50meters.
EventhoughastandardexistforRS-232pinconguration,certainmanufacturermay
stillchoosetheirownconnectorpinsforthevarioussignalsused.Inordertomakethe
RS-232connectiontoyourperipheraldeviceworkproperly,youmustalwaysconsultthe
relevantinstructionsprovidedbythedevicemanufacturer.
Note
Observethatlongrunsofunshieldedcablewillpickupnoiseeasily.Thisisbecause
theRS-232signalsarenotbalanced.
COM1
ThisserialportissetupforRS422communication.Y oucanchangetoadifferent
serialcommunicationformatinthecomputerBIOS.Ifyouneedtochangethese
settings,contactyourlocaldealerordistributorforadvice.Y oucanalsocontact
oursupportdepartment.
COM2
ThisserialportissetupforRS422communication.Y oucanchangetoadifferent
serialcommunicationformatinthecomputerBIOS.Ifyouneedtochangethese
settings,contactyourlocaldealerordistributorforadvice.Y oucanalsocontact
oursupportdepartment.
COM3
ThisserialportissetupforRS232communication.Thisserialcommunication
formatisxedandcannotbechanged.Thisserialportmaynotbettedonall
computermodels.
SimradInstallationManual