
Chapter 8: Installation 8-21
Integrated Systems
8.8 Integrated Systems
Thehsb
2
seriesdisplayscan be linked toother equipmentto transferdataas
follows:
• Additionaldisplays,eitherCRT or LCD, canbe connectedvia
hsb
2
(and
SeaTalk)to repeatfishfinder,chartand/orradarinformationat a remote
location.
• Datacan be receivedviaSeaTalk or NMEA, some of which willincrease
thefunctionality of the display.Otherdatacan be viewed onthedisplay.
• Datacan be transmittedvia SeaTalkandNMEA to enhanceother equip-
ment.
• Someincomingdata canbe converted acrossthe communicationlink and
re-transmitted- see Data Conversionon page 8-30.
Power for External Equipment
Externalequipmentcannotbepoweredfromthe display’sSeaTalk
interface. Itmust be powered fromtheship’s supply or viaa SeaTalkbus.
Ensurecorrectpolarityofthe SeaTalkconnection.
Forsystemswhere the ship’s power sourceis24V only, you may need to
installa24V to 12 V DC converter. This is onlynecessaryif the products
beingconnectedtothe displayare:
• SeaTalkcompatible(forexample,compass,GPS and instruments),and
thereis no existingSeaTalk bus
• NMEAcompatible,butoperateonly from12V (forexample,compass,
GPS andsome navigators)
TheDC~DC convertermust conform to thefollowingspecification:
hsb
2
™ (High Speed Bus) Multiple Display Systems
Youcanconnectseveralhsb
2
displays;thenumberis dependentoncable
length- see hsb
2
Cableon page 8-9.The systemcan includeexistingHSB
displayunitsthat have been suitablyupgraded- contact your authorized
Raymarinedealerfor upgrade kitdetails.
TheHighSpeedBus(
hsb
2
)providesextremelyrapidtransferof databetween
masterandrepeaterdisplays.Withan
hsb
2
andaSeaTalkconnectionmostdata
Table 8-2: DC-DC Converter for External Equipment
Input 21 to 32 V DC
Output 13.6 V DC, isolated
Load Continuous current rating, in excess of required load
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