Garmin G3X - Page 423

190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 24-23
Figure 24-2.4 GDL 39/GDL 39R Interconnect/Configuration Example
CONFIGURATION GUIDANCE
1. G3X
A. THE GDL39/GDL39R MUST BE CONNECTED TO RS-232 PORT 1 OR PORT 2 ON THE
GDU 37X, BUT MAY BE CONNECTED TO RS-232 PORTS 1-5 ON THE GDU 4XX
B. ON THE GDU 4XX/37X CONFIG MODE RS-232 CONFIGURATION PAGE
SET RS-232 PORT CONNECTED TO GDL39/GDL39R TO "GARMIN DATA TRANSFER"
A GREEN CHECK MARK WILL APPEAR BESIDE THIS RS-232 PORT WHEN
COMMUNICATION IS ESTABLISHED WITH THE GDL39/GDL39R.
IN NORMAL MODE, THE GDU WILL AUTOMATICALLY ADD A DATA LINK STATUS
PAGE (PRESS MENU KEY TWICE TO VIEW) AND A TRAFFIC PAGE.
C. ON THE GDU 4XX/37X CONFIG MODE ADS-B DATA LINK CONFIGURATION PAGE
VERIFY THAT THE AIRCRAFT TYPE IS CORRECTLY SET TO "PRESSURIZED" OR
"NOT PRESSURIZED" AS APPROPRIATE FOR THE AIRCRAFT.
GDL39
GND (BLK)
TXD (GRN)
RXD (WHT/GRN)
POWER (RED)
WIRE COLORS ARE FOR GDL39 BARE WIRE CABLE
RS-232 RX 2
RS-232 TX 2
RS-232 RX 1
RS-232 TX 1
14
30
47
48
P4X02/P3701
OR
RS-232 TX A
RS-232 RX A
2
3
GDL 39R
GDL39R
14/28 VDC
3
POWER
GROUND
9
5
S
S
GDL39
14/28 VDC
3
RS-232 RX 3
RS-232 TX 3
29
13
RS-232 RX 4
RS-232 TX 4
23
40
RS-232 RX 5
RS-232 TX 5
24
41
OR
OR
OR
GDU 4XX ONLY (PFD)
RS-232 RX 2
RS-232 TX 2
RS-232 RX 1
RS-232 TX 1
GDU 37X (MFD)
14
30
47
48
P4X02/P3701
OR
RS-232 RX 3
RS-232 TX 3
29
13
RS-232 RX 4
RS-232 TX 4
23
40
RS-232 RX 5
RS-232 TX 5
24
41
OR
OR
OR
GDU 4XX ONLY (PFD)
GDU 4XX (PFD)
GDU 37X (MFD)
GDU 4XX (PFD)
NOTE 1: EXTERNAL GPS ANTENNA NOT REQUIRED ON EITHER GDL 39 OR
GDL 39R WHEN CONNECTED TO GDU 37X OR GDU 4XX DISPLAY
GPS ANTENNA
UAT ANTENNA
BNC
BNC
SEE NOTE 1
SEE NOTE 2
NOTE 2: EXTERNAL UAT ANTENNA SHOULD BE MOUNTED ON BOTTOM OF AIRCRAFT
WITH 1 METER SEPARATION FROM COM AND XPDR ANTENNAS