Simrad ST90 - Comments

442703/B
169
Cable
Type
From/ToMinimumrequirements
C28
ACpowercableFromMotorControlUnittoAC
power
4x2.5mm
2
C29
Notused
C30
Notused
C31
ACpowercableFromheatexchangerto
uninterruptiblepowersupply
(UPS)
2x1.5mm
2
+1.5mm
2
Ground
Relatedtopics
ListofST90cables,page166
Topsidecableplan,page161
TopsidecableplanwithoptionalOperatingPanelMk1,page163
Sonarroomcableplan,page164
InstallingtheST90cables,page171
Comments
1Cablenumbersthatarenotusedaresparesforoptionalequipmentand/orfuture
expansions.
2TwohighcapacityEthernetcablesconnecttheProcessorUnittotheTransceiver
Unit.
3ThemaximumlengthofeachEthernetcablefromtheProcessorUnittothe
TransceiverUnitis100meters.
4Itisveryimportantthathigh-qualityEthernetcablesareused.Youmustuse
CAT-5ESTP(ShieldedTwistedPair)qualityorbetter.Ifyouusecableswithlower
bandwidthcapacityyouwillreducetheST90performance.
5Donot
connecttheProcessorUnittotheTransceiverUnitusinganexistinglocal
areanetwork(LAN).
6Thetransducercablesareprovidedwiththetransducer.
7ThegroundingcablefortheTransceiverUnitisnotlisted.Thegroundingcableisa
specialbraidedwirethatisphysicallyconnectedtothecabinet.Itisconnectedto
vesselgroundbymeansofthecabinet’sshockabsorbers.
8MorethanoneseriallinecablemayberequiredtoconnecttheProcessorUnit
toexternaldevices.Toidentifythesecables,usepostxletters.(C13A,C13B,
C13C...).
TheST90isoftenapartofaprojectdelivery.Forsuchdeliveries,specicprojectcable
drawingsareestablishedtoshowallthemaincables,andhowthevariousproductsare
connected.Insuchprojectcabledrawings,theST90cablesmaybeidentiedasST90/Cx.
Cablelayoutandinterconnections