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442703/B

161

Topsidecableplan

Thetopside/bridgecablesincludethoseusedtoconnecttheST90ProcessorUnitandthe

displaytoeachother,toACmainspower,andtoexternaldevices.Twohighcapacity

EthernetcablesconnecttheProcessorUnittotheTransceiverUnit.

ADisplay

BProcessorUnit

COperatingPanel

DUninterruptiblePowerSupply(UPS)

Cablesidentiedwithanasterisk(*)aresystemorcommercialcables.Thesecablesare

providedwiththeST90deliveryortherelevantitem.Themaximumlengthofeach

EthernetcablefromtheProcessorUnittotheTransceiverUnitis100meters.Cable

numbersthatarenotusedaresparesforoptionalequipmentand/orfutureexpansions.

Itisveryimportantthathigh-qualityEthernetcablesareused.YoumustuseCA T-5E

STP(ShieldedTwistedPair)qualityorbetter.Ifyouusecableswithlowerbandwidth

capacityyouwillreducetheST90performance.DonotconnecttheProcessorUnitto

theTransceiverUnitusinganexistinglocalareanetwork(LAN).

Tip

WestronglyrecommendthatminimumthreeEthernetcablesareinstalledbetweenthe

sonarroomandthebridge.Twocablesareforoperationaluse,whiletheothersare

spare.

Cablelayoutandinterconnections

Simrad ST90 Installation Manual

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