190-01499-10
GTX 35R/45R Installation Manual (Non-Certified Aircraft)
Rev. 1
Page 5-10
5.8
Garmin Altitude Encoder
The optional GAE altitude encoder module (Garmin P/N 011-03080-00) is used only in installations
requiring pressure altitude data that meets the requirements of TSO-C88.
The GAE module kits includes a wire harness for connection to the GTX 35R/45R D-sub connector.
Connect using The wire colors are shown in Table 5-12.
Table 5-12 Altitude Encoder Module Inputs and Outputs
Pin Name
Color
Connector
Pin
I/O
ALT ENCODER CLOCK
White
P3251
1
O
ALT ENCODER DATA
Yellow
P3251
22
I/O
ALT ENCODER POWER
Red
P3251
43
O
ALT ENCODER GROUND
Black
P3251
23
O
