Garmin G3X - Page 436

190-01115-01 G3X™/G3X Touch™ Avionics Installation Manual
Rev. AV Page 24-36
Figure 24-2.16 GSU 25 - GTX 335/35R Interconnect/Configuration Example
GSU 25
P252
GROUND 11
RS-232 TX 3
RS-232 RX 3
9
10
TRANSPONDER
GTX 335/335R/35R
P3251
52
31
S
9
21 AIRCRAFT POWER 1
42 AIRCRAFT POWER 1
3
GTX
14/28 VDC
20 AIRCRAFT GROUND
TRANSPONDER CONNECTED
61 AIRCRAFT POWER 2
62 AIRCRAFT POWER 2
3
GTX
14/28 VDC (OPTIONAL)
41 AIRCRAFT GROUND
TO ADAHRS 1 ONLY
S
RS-232 GND 1
RS-232 RX 1
RS-232 TX 1
60 GPS KEEP ALIVE
14/28 VDC UNSWITCHED BATTERY
(ONLY REQUIRED WHEN GPS OPTION INSTALLED)
CONFIGURATION GUIDANCE
1. GSU 25 WITH GTX 335 / X35R
A. NO CONFIGURATION REQUIRED FOR GSU 25 SERIAL PORT
B. ON THE GTX 335 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 GSU 25 (NORMALLY 1)
SET INPUT AND OUTPUT FORMAT TO "XPDR FMT 1"
2. GTX X35R REMOTE MOUNT TRANSPONDER
A. ON GDU 37X/4XX TRANSPONDER CONFIGURATION PAGE
SELECT INSTALLED TRANSPONDER TYPE (E.G. GTX 335R)
CONFIGURE ALL ADS-B OUT DATA FIELDS
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 335 ONLY
A429 CONFIGURATION NOTES FOR REMOTE MOUNT GTX 335R/35R
ARINC 429 IN 1 AND ARINC 429 IN 2: NOT USED
ARINC 429 OUT WITH TIS-A DISABLED: "GARMIN+GARMIN TAS" FORMAT, HIGH SPEED, FOR CONNECTION TO GTS 8XX
ARINC 429 OUT WITH TIS-A ENABLED: "GARMIN TIS-A" FORMAT, HIGH SPEED, FOR TIS-A TRAFFIC DATA OUTPUT TO GNS
C. FOR GTX X35R, NO CONFIGURATION REQUIRED FOR SERIAL PORT 1