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Connector Pinout Information

190-01499-02 GTX 3X5 Transponder TSO Installation Manual

Rev. 9 Page 5-1

5 Connector Pinout Information

5.1 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