Furuno Multi Instrument FI-504 - Manual (Page 27)

3. INSTALLATION
19
Junction box (option)
The junction box is required when connecting NMEA 2000 network. This
section covers wiring of the junction box. For how to mount the junction
box, see its installation instructions, issued separately.
CH3 DROP - CH5 DROP and BACKBONE are socket-and-plug-type ter-
minal blocks. Detach plug to connect wiring to it, by rocking it back and
forth with your fingers. Remove approx. 6 mm of the sheath from the end
of wires and twist wires. Loosen fixing screw in the plug, insert wire into
hole and tighten fixing screw. Set plug to socket.
12 VDC
12VDC
CN3
DROP
BACKBONE
FI-501/502/503/504/505/506
NMEA2000
DEVICE
Fix cable with cable
tie (supplied).
CN4
DROP
CN5
DROP
Fixing screw
Hole for wire
Wire
Twist
How to insert wire
6mm
Sheath
How to fabricate cable
White
Red
Blue
Black
Drain wire