Chapter 8: Installation 8-7
Cable Runs
8.4 Cable Runs
Consider the followingbefore installingthe system cables:
• You need to attachthe power cable and the scanner cable.Additional
cableswill be requiredif you are installing an integrated system.
• All cables should be adequately secured,protectedfrom physical damage
and protected from exposure to heat.Avoid running cables through bilges
or doorways,or close to moving or hot objects.
• Acutebends must be avoided
• Where a cable passes through an exposedbulkhead or deckhead, a water-
tight feed-throughshould be used.
• Securecablesinplaceusingtie-wrapsorlacingtwine.Coilanyextracable
and tie it out of the way.
You need to run the following cables:
• Power/NMEAInputcable,suppliedwiththedisplayunit.Thishasacon-
nector plug at one end for connecting the display unit, and 7 wires at the
otherendforconnectingthepowersupplyandoptionalNMEAinputs(see
Section 8.8, Integrated Systems).
CAUTION:
Do not pull the cablethrough the bulkheads using a cord attachedto the
connector. This could damage the connections.
• Inter-unitcable,suppliedwiththescannerunit.ThisisVinyl-coveredand
shielded,withaconnectorplugatoneendforconnectingtothedisplayunit
or extension cable.
• SeaTalk cable,optional, withSeaTalk connector(s)at one or both ends.
•
hsb
2
cable,required for multi-displaysystems.
• NMEA Output cable, optional,with an NMEA OUT connector at one
end only.
Power Cable
The displaysystem (i.e.with a scanner connected where applicable) is
intendedfor use on ships’DC power systems ratedas follows:
12 V or 24 V systems Radome Scanner System
12 V, 24 V or 32 V systems 4 kW Open Array ScannersSystem;
RC520
24 V or32 V systems 10 kW Open Array ScannersSystem
A 5 ft.(1.5 m) power cable is supplied for connecting the ship’s DC powerto
thedisplay unit. Longer power cable runs may require larger wire gauges to
81186_3.book Page 7 Thursday, August 22, 2002 8:23 AM
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