190-00734-11
GTX 33X and GTX 3X5 ADS-B Maintenance Manual
Rev. 6
Page 2-10
2.5 GTX 335R/345R with Legacy G1000
The Legacy G1000 configuration includes certain G1000 systems that can be updated with a G1000
interface card. The GTX 335R provides all the functions listed under the GTX 335/335R to include
ADS-B Out. The GTX 345R provides all the functions listed under the GTX 345/345R with the exception
that the ADS-B In traffic and weather will be displayed as an emulation of the GDL 90 weather and traffic
displays. The GTX 345R provides FIS-B weather (NEXRAD and METARS) and TIS-B traffic within the
confines of the GDL 90 interface. The GTX 345R provides TIS-B traffic and FIS-B weather on PED via
Bluetooth. Refer to
GTX 3XX Part 23 AML STC Installation Manual
for additional information.
Figure 2-5 provides a basic summary of the GTX 335R or GTX 345R interface for the legacy G1000
system.
Figure 2-5 GTX 335R or GTX 345R Interface Summary with Legacy G1000
Bluetooth Device
GTX 335R/345R
GPS Antenna
Audio Panel
Bottom Antenna
GTX 3X5 with GPS only
Power/Ground
GIA #1
Existing LRU
New LRU
Legend
Optional GTX 345R
Interfaces
Required Interfaces
Bluetooth
RS-232
RS-232
GIA #2
RS-232
RS-422
TRAFFIC
WEATHER
ARINC 429
TRUE HEADING
GIA #2
GIA 63W
GPS Source
GIA 63W software dependent,
refer to IM for compatible software
TAS/TCAS
AURAL MUTE
DISCRETE
ARINC 429
DISCRETE
ARINC 429
TRAFFIC
XPDR / HEADING
DISCRETE
STBY/OPR
SELF TEST
Landing Gear
Switch
DISCRETE
Keep Alive Input