GTX 33X and GTX 3X5 ADS-B Maintenance Manual
190-00734-11
Rev.
6
Page A-10
DISCRETE
INPUT
OUTPUT
FUNCTION
PIN
FUNCTION
PIN
TIS-A SELECT
TRANSPONDER FAIL #1
ALTITUDE DATA SELECT
EXTERNAL SUPRESSION I/O
AUDIO INHIBIT #1
REPLY ACTIVE
AUDIO INHIBIT #2
TRANSPONDER FAIL #2
AIR DATA SELECT
ALTITUDE ALERT ANNUNCIATE
SQUAT SWITCH
ADS-B FUNCTION FAILURE
EXTERNAL IDENT SELECT
TRAFFIC ALERT
EXTERNAL STANDBY SELECT
TRAFFIC STANDBY/OPERATE
EXTERNAL SUPRESSION I/O
TRAFFIC TEST