Main Board Connector - J3251 ...................................................................................................................... 5-2

5.2

ADS-B Board Connector - J3252 (GTX 345 Only) ........................................................................................... 5-5

5.3

Power............................................................................................................................................................ 5-6

5.3.1

Power Configuration and Control Inputs ................................................................................................. 5-6

5.4

Lighting Bus................................................................................................................................................... 5-7

5.5

Altitude Inputs............................................................................................................................................... 5-7

5.5.1

Pressure Sensor Module .......................................................................................................................... 5-7

5.5.2

Gray Code Altitude Input ........................................................................................................................ 5-8

5.6

Discrete I/O.................................................................................................................................................... 5-8

5.7

Serial Data Interfaces ..................................................................................................................................... 5-9

5.7.1

RS-232 .................................................................................................................................................... 5-9

5.7.2

ARINC 429 ............................................................................................................................................ 5-10

5.7.3

HSDB .................................................................................................................................................... 5-10

5.7.4

RS-422 .................................................................................................................................................. 5-10

5.8

Suppression Bus........................................................................................................................................... 5-11

5.9

OAT Input.................................................................................................................................................... 5-11

5.10 Audio Output .............................................................................................................................................. 5-11

5.11 Time Mark ................................................................................................................................................... 5-11

5.12 Configuration Module ................................................................................................................................. 5-12

5.13 USB Interface............................................................................................................................................... 5-12

190-01499-02

Rev. 9

Connector Pinout Information

GTX 3X5 Transponder TSO Installation Manual

Page 5-1

Table of Contents