Garmin G3X - Page 839

190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page G-3
Figure G-1.2 GDU/GMU 22/GSU 73 Interconnect Drawing
GDU 46X/37X (PFD #1)
SEE NOTE 8
012-00605-20
CONFIG MODULE
CONFIG MODULE DATA
CONFIG MODULE CLOCK
CONFIG MODULE GROUND
CONFIG MODULE POWER
49
17
50
33
BLK
RED
YEL
WHT
BLK
RED
YEL
WHT
CDU SYS ID PROGRAM 2
CDU SYS ID PROGRAM 4
CDU SYS ID PROGRAM 3
9
42
25
CDU SYS ID PROGRAM 110
SIGNAL GROUND27
28V LIGHTING BUS HI26
14V LIGHTING BUS HI43
CAN BUS TERMINATION28
CAN BUS LO45
CAN BUS HI46
WHT
BLU
S
OPT GDU 46X/37X (MFD)
CAN BUS TERMINATION28
CAN BUS LO45
CAN BUS HI46
N/C
N/C
N/C
N/C
9
42
25
10
N/C
N/C
N/C
N/C
CAN BUS HI
GSU 73
7
CAN BUS LO 8
WHT
BLU
S
WHT
BLU
CLK
DATA
2
3
1
4
GND
VCC
SIGNAL GROUND35
S
28V LIGHTING BUS HI26
14V LIGHTING BUS HI43
SIGNAL GROUND35
S
CAN BUS TERMINATION 29
P731
P4602/P3701
P4602/P3701
RS-485 IN 1 A
RS-485 IN 1 B
MAGNETOMETER PWR OUT
RS-232 OUT 1
MAGNETOMETER GROUND
2
1
38
15
39
MAGNETOMETER
GMU 22/44
P441
4
2
9
8
6
RS-485 OUT A
RS-485 OUT B
+12VDC POWER
RS-232 IN
POWER GROUND
3
1
SIGNAL GROUND (RS 232)
SIGNAL GROUND (RS 485)
WHT WHT
BLU
WHT
ORN
BLU
SEE NOTE 8
BLU
WHT
ORN
BLU
S
S
CONFIG MODULE POWER
CONFIG MODULE GROUND
CONFIG MODULE DATA
CONFIG MODULE CLOCK
59
78
39
20
CONFIG MODULE
DATA
CLK
GND
VCC
1
4
3
2
BLK
RED
YEL
WHT
012-00605-20
BLK
RED
YEL
WHT
P732
35
16
15
GTP 59
POWER
LOW
SEE NOTE 8
SENSE
WHT
BLU
ORN
WHT
ORN
BLU
TEMP PROBE IN LO
TEMP PROBE POWER OUT
TEMP PROBE IN HI
THERMOCOUPLE REF IN LO
THERMOCOUPLE REF IN HI
RED
YEL
9
10
TYPE K
THERMOCOUPLE
WASHER ASSY
925-L0000-00
SEE NOTE 8
SEE NOTE 8
OPT GDU 46X/37X (PFD #2)
CAN BUS TERMINATION28
CAN BUS LO45
CAN BUS HI46
N/C
CDU SYS ID PROGRAM 2
CDU SYS ID PROGRAM 3
SIGNAL GROUND
9
25
27
CDU SYS ID PROGRAM 110
N/C
N/C
28V LIGHTING BUS HI26
14V LIGHTING BUS HI43
SIGNAL GROUND35
S
P4602/P3701
WHT
BLU
WHT
BLU
WHT
BLU
SEE NOTES 10 AND 11
CDU SYS ID PROGRAM 442N/C
SEE NOTES 10 AND 11
SEE NOTES 10 AND 11
SEE NOTE 13
CDU SYS ID PROGRAM 2
CDU SYS ID PROGRAM 4
CDU SYS ID PROGRAM 3
CDU SYS ID PROGRAM 1
S
SEE NOTE 13