Garmin G3X - Page 435

190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 24-35
Figure 24-2.15 GSU 25 - GTX 345/345R/45R, GPS 175/GNC 355 Interconnect Example
GSU 25 #1
P252
GROUND 11
RS-232 TX 3
RS-232 RX 3
9
10
TRANSPONDER
GTX 345/345R/45R
P3251
52
31
S
9
21 AIRCRAFT POWER 1
42 AIRCRAFT POWER 1
3
GTX
14/28 VDC
20 AIRCRAFT GROUND
CONNECTED TO PORT 1
ON THE TRANSPONDER
61 AIRCRAFT POWER 2
62 AIRCRAFT POWER 2
3
GTX
14/28 VDC (OPTIONAL)
41 AIRCRAFT GROUND
S
RS-232 GND 1
RS-232 RX 1
RS-232 TX 1
P3252
15
10
5
S
RS-232 GND 4
RS-232 RX 4
RS-232 TX 4
GSU 25 #2
P252
GROUND 11
RS-232 TX 3
RS-232 RX 3
9
10
51
30
S
8
S
RS-232 GND 2
RS-232 RX 2
RS-232 TX 2
GDU 4XX
P4X02
SIGNAL GROUND 34
RS-232 TX 2
RS-232 RX 2
30
14
50
29
S
7
MAY USE ANY SERIAL PORT
FROM 1 TO 5
S
RS-232 GND 3
RS-232 RX 3
RS-232 TX 3
60 GPS KEEP ALIVE
14/28 VDC UNSWITCHED BATTERY
(ONLY REQUIRED WHEN GPS OPTION INSTALLED)
GDU 4XX
P4X02
SIGNAL GROUND 35
RS-232 TX 3
RS-232 RX 3
13
29
S
MAY USE ANY SERIAL PORT
FROM 1 TO 5
CONFIGURATION GUIDANCE
1. GSU 25 WITH GTX 345 / 345R / 45R
A. NO CONFIGURATION REQUIRED FOR GSU 25 SERIAL PORTS
B. ON THE GTX 345 RS-232 SETUP PAGE (HOLD ON/ENT BUTTONS TO ENTER CONFIG)
PRESS FUNC BUTTON TO REACH RS-232 SETUP PAGE
SELECT ALL RS-232 CHANNELS CONNECTED TO GSU 25
SET INPUT AND OUTPUT FORMAT TO "XPDR FMT 1"
2. GDU 4XX RECEIVING TRAFFIC/WEATHER FROM GTX 345 / 345R / X45R
A. THE GTX MAY BE CONNECTED TO ANY SERIAL (RS-232) PORT ON THE
GDU 4XX FROM 1 TO 5. ONE CONNECTION ONLY PER GDU.
B. ON THE GDU 4XX RS-232 CONFIGURATION PAGE
SET SERIAL PORT CONNECTED TO GTX TO "CONNEXT 57600 BAUD"
3. GTX 345 PANEL MOUNT TRANSPONDER
A. ON THE GTX 345 RS-232 SETUP PAGE (HOLD ON/ENT BUTTONS TO ENTER CONFIG)
PRESS FUNC BUTTON TO REACH RS-232 SETUP PAGE
SELECT RS-232 CH CONNECTED TO EACH GDU 4XX
SET INPUT AND OUTPUT FORMAT TO "CONNEXT FMT 1"
4. GTX X45R REMOTE MOUNT TRANSPONDER
A. ON GDU 4XX TRANSPONDER CONFIGURATION PAGE
SELECT INSTALLED TRANSPONDER TYPE (E.G. GTX 345R)
CONFIGURE HSDB DEVICES (GTN/GTS ENABLE/DISABLE)
CONFIGURE TRANSPONDER SERIAL PORTS 2,3,4 FOR "CONNEXT FMT 1" IF CONNECTED TO GDU
CONFIGURE ALL ADS-B OUT DATA FIELDS
5. GTX X45R REMOTE MOUNT TRANSPONDER INSTALLED WITH GPS 175 OR GNC 355 IN SYSTEM
A. ON THE GPS 175 OR GNC 355 ADS-B SOURCE PAGE
SET ADS-B IN SOURCE TO "GTX #1"
B. ON THE PFD1 TRANSPONDER CONFIGURATION PAGE
ENABLE "GTN" ON HSDB DEVICES FIELD
6. GTX 345 PANEL MOUNT TRANSPONDER INSTALLED WITH GPS 175 OR GNC 355 IN SYSTEM
A. SET GPS 1 SRC TO "GTN 1"
(ONE CONNECTION EACH GDU)
ADS-B TRAFFIC/WEATHER
(ONE CONNECTION EACH GDU)
ADS-B TRAFFIC/WEATHER
6
2
7
ETHERNET OUT 1A
ETHERNET IN 1B
ETHERNET IN 1A
GPS 175/GNC 355
P1751/P3551
ETHERNET IN 3A 11
ETHERNET OUT 3B
ETHERNET OUT 3A
32
10
S
ADS-B+ POSITION DATA ->
1
ETHERNET OUT 1B
ETHERNET IN 3B 33
22
23
43
CONFIG MODULE DATA
CONFIG MODULE GND
CONFIG MODULE PWR
GTX CONFIG MODULE
DATA YEL
GND
PWR
BLK
RED
1
CONFIG MODULE CLK
CLK WHT
(CONNECTOR BACKSHELL)
24
2
44
USB DATA LO
USB DATA HI
USB VBUS POWER
USB TYPE B RECEPTACLE
D- WHT
D+
VBUS
GRN
RED
45 USB GROUND
GND BLK
S
SHLD
38
POWER CONTROL
GROUND FOR REMOTE MOUNTED TRANSPONDER
59 POWER CONFIG
GROUND FOR REMOTE MOUNTED TRANSPONDER
GROUND FOR PANEL MOUNT TRANSPONDER TO ENABLE AUTO-ON
GTX 345 ONLY
<-ADS-B TRAFFIC/WEATHER
SHOWN USING 22 AWG TWISTED, SHIELDED PAIR CABLES (MIL-C-27500)
(22 AWG OR 24 AWG) MAY ALSO BE USED
AIRCRAFT GRADE CAT 5 ETHERNET CABLE
S
S S
OPTIONAL CONNECTION TO
ANY PORT ON XPDR FOR
BACKUP DATAPATH
CONFIGURE TRANSPONDER SERIAL PORT CONNECTED TO GSU 25 TO XPDR FMT 1