R5 SUPREME - Navigation System
INSTALLATION
7000 118-301, A3 Page 28
2.6 Mount the R5 NAV Junction Box (if applicable)
For easy installation of the R5 SUPREME Navigation System, the R5 NAV Junction
Box can be used to connect the R5 CDU to the R4 Navigation Sensor. The junction
box also provides terminal connectors for external sensor equipment such as depth
sensors and heading devices as well as connectors for alarm output, alarm
acknowledgement and speed log output signals.
The R5 NAV Junction Box also has built in fuses for the R5 CDU and the R4
Navigation Sensor.
2.6.1 Junction Box Location
The R5 Signal Cables connecting the R5 CDU and the R4 Sensor to the Junction box
are 2m long, hence this is the maximum distance between the Junction Box and the
CDU or Sensor units.
The R5 NAV Junction Box is made from EMI shielded plastic.
2.6.2 Junction box clearance area
Leave a clearance around the R5 NAV Junction Box to facilitate service and
installation. See below figure for minimum recommended clearance area
(measurements in mm).
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