Connector Pinout Information190-01499-02 GTX 3X5 Transponder TSO Installation ManualRev. 9 Page 5-15 Connector Pinout Information5.1 Main Board Connector - J3251 ...................................................................................................................... 5-25.2 ADS-B Board Connector - J3252 (GTX 345 Only) ........................................................................................... 5-55.3 Power............................................................................................................................................................ 5-65.3.1 Power Configuration and Control Inputs ................................................................................................. 5-65.4 Lighting Bus................................................................................................................................................... 5-75.5 Altitude Inputs............................................................................................................................................... 5-75.5.1 Pressure Sensor Module .......................................................................................................................... 5-75.5.2 Gray Code Altitude Input ........................................................................................................................ 5-85.6 Discrete I/O.................................................................................................................................................... 5-85.7 Serial Data Interfaces ..................................................................................................................................... 5-95.7.1 RS-232 .................................................................................................................................................... 5-95.7.2 ARINC 429 ............................................................................................................................................ 5-105.7.3 HSDB .................................................................................................................................................... 5-105.7.4 RS-422 .................................................................................................................................................. 5-105.8 Suppression Bus........................................................................................................................................... 5-115.9 OAT Input.................................................................................................................................................... 5-115.10 Audio Output .............................................................................................................................................. 5-115.11 Time Mark ................................................................................................................................................... 5-115.12 Configuration Module ................................................................................................................................. 5-125.13 USB Interface............................................................................................................................................... 5-12
