214
442703/B
RS-485seriallineconnectionusingtwoorfourwires
AnRS-485seriallineconnectionusingtwoorfourwiresiscommonwaytoconnect
theST90toexternaldevices.Thisformatisrecommendediftheserialcableneedsto
beverylong.
ALocalconnectiontotheserialadapter
BConnectiononremotedevice(Formoreinformation,
refertotheend-userdocumentationprovidedbythe
manufacturer.)
CFemale9-pinD-Subminiatureconnector
DMale9-pinD-Subminiatureconnector
Unlessotherwisespecied,thiscablemustbeprovided
bytheinstallationshipyard.
Minimumcablerequirements
•Conductors:2x5x0.5mm
2
•Screen:Overallbraided
•Voltage:60V
•Maximumouterdiameter:Denedbytheplugsand/orthecablegland
Useacablewithtwistedpairs.Ifyouneedtoinstallaverylongcable,increasethe
crosssection.
Relatedtopics
Aboutseriallines,page230
Cabledrawingsandspecications,page206
SimradST90InstallationManual