Robertson AP21 - Double NMEA Input;Output; Databox;J3000 X

Installation
20220596E 75
4.21 Double NMEA input/output
RX1
RX1+
MAIN PCB
DATABOX (NMEA Input)
Vbat+
Spare Gnd
Red Wh
Bn
Gn Blk
TX1 TX1+
NMEA
Output
POWER PCB
TB8
TB9
TB10
RX2 RX2+
GPS
(OR PLOTTER)
NMEA
Input2
TX2
TX2+
NMEA
Output2
LORAN C
(OR PLOTTER)
J300X / J300X-40 JUNCTION UNIT
Figure 4-20 Double NMEA connection
4.22 Databox/J3000X
RX1
RX1+
J3000X JUNCTION UNIT
MAIN PCB
DATABOX (NMEA Input)
Vbat+ Spare
Gnd
Red
Wh
Bn
Gn Blk
TX1
TX1+
BATTERY +
IGN SENSE
BATTERY -
V+ (RED)
W/S (BLU)
TEMP (WHT)
TEMP (YEL) 0V (BLK)
+V (RED)
B/S (BLU)
GRN
WHT
BRN
YEL
BLK
INPUT +
INPUT
WHITE
BLACK 0V (BLK)
INPUT +
INPUT
GRN
WHT
RED
SOUNDER
INPUT
COMPASS
INPUT
RADIO NAV
INPUT
NMEA BUS
TO
REPEATERS
AND AUTOPILOT
WIND
SPEED
AND
ANGLE
BOAT
SPEED
AND
TEMP
POWER
IS11 DATABOX
TO AVOID RFI FROM NMEA SIGNALS,
USE TWISTED PAIR CABLE
WITH SHIELDING.
IN CASE OF DOUBLE SHIELDING,
GROUND ONE SHIELD EACH END.
*
*
DISPLAY
NAV RECEIVER
OR PLOTTER
(NMEA talker)
Rober tso n
NMEA
Output
Figure 4-21 IS11 Databox / J3000X connection