Data Output - Raymarine L1250DRC Owner's Handbook Manual

2-32
For example: supplying power to a flux gate compass and routing the compass
data to the display NMEA In connection, or alternatively for connecting a
NMEA GPS system.
The junction box includes:
• SeaTalk cable and connector to attach to display unit
• Power cable to connect to 12 V power (if required)
• Input connections to connect SeaTalk cable from external equipment
• Spare connections for another instrument
CAUTION:
Ensure correct polarity of the 12 V supply before applying SeaTalk
power. Use a multimeter to check the connections.
Figure 2-20 shows how to connect the junction box; Appendix B provides
connection details for specific Raymarine, Apelco, and Autohelm GPS and
Beacon Receiver systems.
To Display Unit
SeaTalk Socket
12V
Power
Supply
Fused
Figure 2-20: Using the Auxiliary Junction Box

Data Output

Data is transmitted in SeaTalk and NMEA formats as detailed in Appendix D
and can be used to enhance other equipment as required.
The SeaTalk input/output connection is detailed in SeaTalk Connection on
page 2-29.
Cable Core
SeaTalk Black (screen)
Red
Yellow
Power Black (screen)
Red
GPS Black (screen)
Red
Yellow
HD Series Fishfinders
To GPS
Power Out: 1 & 2
Power In: 1 & 3
Spare
Input
Terminal Function
1 0V
2 +12v
3 SeaTalk
1 0V
2 +12V
1 0V
2 +12V
3 SeaTalk
D4291-1