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4
Connecting to other equipment
Remove the connector from the antenna cable and attach crimp-on lugs or similar terminals
to the cable’s cores. Connect the cores to the junction box as below.
Antenna Cable
10 m
non-NavNet equipment
RS-422* input for radar/plotter
Correction data from GR-80
output in RS-422 format
12-24 VDC (ship's battery)
(Input current: 105-55 mA)
NMEA 0183 Ver. 2.0
*: RS-422 signal can
be received by using
current loop.
1
2
3
4
5
6
7
WHITE
BLACK
YELLOW
JUNCTION BOX
GREEN
RED
BLUE
Drain Wire
1
2
3
4
Fuse 0.5A
RD-A
RD-B
TD-A
TD-B
Note 1: When connecting FURUNO DGPS beacon receiver GR-80 to this unit, set it as
follows:
Byte Format, 8-6; First Bit, LSB; Parity Bit, None; Stop Bit, 1; Bit Rate, 8.
Note 2: The signal ground and frame ground are separated, however the power line is not
isolated. Therefore, do not connect the signal ground to the frame ground when
other equipment is connected to a positive ground battery.
Note 3: WAAS function is inoperative when wiring as shown above.