Garmin G3X - Page 413

190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 24-13
Figure 24-1.11 GEA 24/GSU 25 - GDU 37X/4XX Backup Data Path Interconnect Drawing
RS-232 RX 1
RS-232 TX 1
47
48
P4X02/P3701
OR
RS-232 TX
RS-232 RX
5
4
GSU 25 OR GEA 24
S
GDU 4XX ONLY
GDU 37X
GDU 4XX
J251/J241
S
GARMIN INSTRUMENT DATA
BACKUP DATA PATH
CONFIGURATION GUIDANCE
1. GDU 37X/4XX
A. CONFIGURE THE GDU RS-232 SERIAL PORT (1-5) TO WHICH THE GSU 25 OR GEA 24
BACKUP PORT IS CONNECTED TO "GARMIN INSTRUMENT DATA"
B. NO GSU 25 OR GEA 24 CONFIGURATION REQUIRED.
SIGNAL GROUND 34
SIGNAL GROUND6
P4X01
RS-232 RX 2
RS-232 TX 2
14
30
SIGNAL GROUND 35
RS-232 RX 3
RS-232 TX 3
29
13
SIGNAL GROUND 36
OR
RS-232 RX 4
RS-232 TX 4
23
40
SIGNAL GROUND 37
OR
RS-232 RX 5
RS-232 TX 5
24
41
SIGNAL GROUND 44
OR
RS-232 RX
RS-232 TX
5
4
SIGNAL GROUND 6
OR
THIS RS-232 SERIAL PORT PERMANENTLY CONFIGURED FOR "GARMIN INSTRUMENT DATA"
NO USER CONFIGURATION REQUIRED TO CONNECT EITHER GSU 25 OR GEA 24
WIRING