190-01499-02
GTX 3X5 Transponder TSO Installation Manual
Rev. 4
Page 5-4
An asterisk (*) following a signal name denotes the signal is an Active-Low discretes, requiring a ground
to activate. If there is no asterisk, the signal is an Active-High.
53
ALTITUDE A4* or CONFIGURABLE*
I
54
ALTITUDE B4* or CONFIGURABLE*
I
55
ALTITUDE C4* or CONFIGURABLE*
I
56
ALTITUDE GROUND
O
57
SQUAT SWITCH* or CONFIGURABLE*
I
58
AIR DATA SELECT* or CONFIGURABLE*
I
59
POWER CONFIG*
I
60
GPS KEEP ALIVE
I
61
AIRCRAFT POWER 2
I
62
AIRCRAFT POWER 2
I
Pin
Pin Name
I/O