User's Manual

Wiring the radar system | 19
NX 40, NX45
SimNet heading sensor
FC40 or RC42
AT40 or AT45 SimNet to NMEA 0183
converter
NX 40 or NX45
GPS port
For accurate radar chart overlay a heading sensor on the SimNet backbone passes thought the AT40 or
AT45 which connects to the GPS port on the NX display
8000i NMEA 0183
12" Display processor, Black box processor, Simrad GB40 not using a
SimNet heading sensor
NMEA0183 Heading
Sensor
Junction Box RI-11
COMMS port
8000i navcomputer
Utility port
For MARPA functionality, heading information at 10 Hz needs to be sent to both the RI-11 and the 8000i
master navcomputer. Use the 12 pin cable AA010070 cable from both units to a junction box to share
the same heading source.
Preliminary