Garmin G3X - Page 438

190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 24-38
Figure 24-2.18 GSU 25 - GPS 175/GDU 4XX Interconnect/Configuration Example
28
27
GAD 29
A429 TX 1A (AIR DATA) 24
A429 TX 1B (AIR DATA) 12
P292
GPS 175
S
6
ARINC 429 OUT 1A5
ARINC 429 RX 1A (GPS) 23
ARINC 429 RX 1B (GPS) 11
S
ARINC 429 OUT 1B
ARINC 429 IN 1A
ARINC 429 IN 1B
P1751
9
RS-232 OUT 1
GDU 4XX
RS-232 IN 1 47
RS-232 OUT 1 48
CONFIGURATION GUIDANCE
1. GPS175
A. ON THE ARINC 429 CONFIG PAGE
SET IN 1 SPEED TO "LOW"
SET IN 1 DATA TO "EFIS/AIRDATA"
SET OUT 1 SPEED TO "LOW"
SET OUT 1 DATA TO "GAMA FORMAT 1"
SET SDI TO "LNAV 1"
B. ON THE RS-232 CONFIG PAGE
SET CHNL 1 INPUT/OUTPUT TO "MAPMX"
SET CHNL 2 INPUT/OUTPUT TO "CONNEXT 57600"
C. ON THE MAIN INDICATOR (ANALOG) CONFIG PAGE
SET SELECTED COURSE TO "ALLOWED"
2. G3X
A. ON THE GDU 4XX RS-232 AND ARINC 429 CONFIG MODE PAGES
SET THE CONNECTED GDU 4XX RS-232 CHANNEL TO "MAPMX"
SET ARINC 429 TX 1 FORMAT TO "EFIS/AIRDATA FORMAT 1" AND "NAV 1"
SET ARINC 429 RX 1 FORMAT TO "GARMIN GPS" AND "NAV 1"
B. ON THE GDU 4XX RS-232 CONFIG MODE PAGE WHEN CONNEXT IS USED
SET THE CONNECTED GDU 4XX RS-232 CHANNEL TO "CONNEXT 57600 BAUD"
31 RS-232 IN 1
P4X02
8 RS-232 OUT 2
30 RS-232 IN 2
S
51 SIGNAL GROUND
CONNEXT INTERFACE
S
S
S
MAPMX INTERFACE
SIGNAL GROUND 27 52 SIGNAL GROUND
S S
(PFD1)
CONNEXT 57600 BAUD CONNEXT 57600
MAPMX MAPMX FORMAT 1
RS-232 IN 2 14
RS-232 OUT 2 30
SIGNAL GROUND 34
GARMIN GPS (NAV 1, LOW SPEED)
EFIS/AIRDATA FORMAT 1 (NAV 1, LOW SPEED)
GAMA FORMAT 1
EFIS/AIRDATA
21 AIRCRAFT POWER 1
42 AIRCRAFT POWER 1
5
GPS
14/28 VDC
20 AIRCRAFT GROUND
41 AIRCRAFT GROUND
22
23
43
CONFIG MODULE DATA
CONFIG MODULE GND
CONFIG MODULE PWR
CONFIG MODULE
DATA YEL
GND
PWR
BLK
RED
1
CONFIG MODULE CLK
CLK WHT
(CONNECTOR BACKSHELL)
36 REMOTE GO AROUND
OPTIONAL TO/GA BUTTON
N.O. PUSH TO GROUND
ANY SPARE INPUT DISCRETE
CONFIGURED FOR
"ACTIVE LOW" AND "AFCS TO/GA"
GEA 24 OR GSU 73
NOTE: EXAMPLE DPST SWITCH IS APEM 4743 SERIES
NOTE: THIS INTERFACE EXAMPLE DRAWING IS NOT SUFFICIENT FOR INSTALLATION OF A
GPS 175 UNIT. PLEASE REFERENCE THE APPROPRIATE INSTALLATION DOCUMENTATION FOR
THE GPS 175 FOR COMPREHENSIVE INSTALLATION AND CONFIGURATION INFORMATION.