190-00734-17
GTX 335 w/GPS Installation Guidance
Rev. 1
Page B-3
Figure B-1 GTX 335 - Power, Ground, and Configuration Module Interconnect
Sheet 1 of 2
P3251
GTX 335
CONFIG MODULE PWR
CONFIG MODULE GND
CONFIG MODULE DATA
CONFIG MODULE CLOCK
CONFIG
MODULE or
ALTITUDE
ENCODER
43
23
22
1
AIRCRAFT POWER
AIRCRAFT GND
21
20
P325-GPS
GPS/SBAS
ANTENNA
XPDR ANTENNA
P325-XPDR
XPDR
ANTENNA
GPS ANTENNA
AIRCRAFT POWER 42
AIRCRAFT GND 41
XPDR
AVIONICS BUS (14-28VDC)
AIRCRAFT
GROUND
3A
USB VBUS POWER
USB DATA HI
USB DATA LO
USB GROUND
44
2
24
45
POWER CONTROL 38
GPS KEEP ALIVE 60
UNSWTCH BAT BUS (14-28VDC)
19
EXISTING LIGHTING BUS
5VDC, 14VDC, 28VDC, OR 5VAC
40
RED
YEL
BLK
WHT
RED
GRN
BLK
WHT
S
LIGHTING BUS LO
LIGHTING BUS HI
VBUS
D+
D-
GND
USB TYPE B
RECEPTACLE
SHIELD
1
2
3
18
s
EXT SUPPRESSION
A/C SUPPRESSION BUS
4
22 AWG
22 AWG
22 AWG
22 AWG
5
6