Audio Output; Time Mark; Configuration Module; Table 5-15 Audio Inputs And Outputs - Garmin GTX 3X5 Installation Manual

5.10

Audio Output

The audio output is used to provide aural traffic alerts. The output is capable of 100 mW into a 500 ohm
load.
AUDIO OUT HI
AUDIO OUT LO
5.11

Time Mark

TIME MARK A
TIME MARK B
With either a GTX 335 or GTX 345 with internal GPS, the TIME MARK can be used as an output to
provide 1PPS to other equipment in the aircraft.
5.12

Configuration Module

The configuration module interface is used for connection to either a configuration module or an optional
GAE module.
The configuration and GAE module kits include a wire harness for connection to the GTX 3X5 D-sub
connector. Connect using The wire colors are shown in table 5-17.
The configuration module stores the specified aircraft installation configuration settings.
The optional GAE module is used to provide the pressure altitude for the transponder. The GAE module
also includes configuration memory function to store the installation configuration. When used, A separate
configuration module is not necessary.

Table 5-17 Configuration Module Inputs and Outputs

Pin Name
ALT ENCODER/CONFIG MODULE CLOCK
ALT ENCODER/CONFIG MODULE DATA
ALT ENCODER/CONFIG MODULE POWER
ALT ENCODER/CONFIG MODULE GROUND
190-01499-02
Rev. 4

Table 5-15 Audio Inputs and Outputs

Pin Name

Table 5-16 Time Mark Outputs

Pin Name
Connector
P3251
P3251
Connector
P3251
P3251
Color Connector
White P3251
Yellow P3251
Red P3251
Black P3251
GTX 3X5 Transponder TSO Installation Manual
Pin I/O
46 O
47 O
Pin I/O
4 O
26 O
Pin I/O
1 O
22 I/O
43 O
23 O
Page 5-11