Serial Data Interfaces; Table 5-9 Rs-232 Inputs And Outputs; Arinc 429 Inputs; Arinc 429 - Garmin GTX 3X5 Installation Manual

5.7

Serial Data Interfaces

5.7.1 RS-232
The RS-232 outputs are compatible with EIA Standard RS-232C with an output voltage swing of at least
± 5 V when driving a standard RS-232 load. The RS-232 inputs and outputs can be configured for different
functions depending on the installation. Refer to section 6.5. Pins P3252-5, -10, and -15 are on the GTX
345 only.
RS-232 OUT 1
RS-232 IN 1
RS-232 GND 1
RS-232 OUT 2
RS-232 IN 2
RS-232 GND 2
RS-232 OUT 3
RS-232 IN 3
RS-232 GND 3
RS-232 OUT 4
RS-232 IN 4
RS-232 GND 4
5.7.2

ARINC 429

The ARINC 429 output conforms to the ARINC 429 electrical specification when loaded with up to five
standard ARINC 429 receivers. The ARINC 429 inputs and outputs can be configured for different
functions depending on the installation. Refer to section 6.5.
ARINC 429 OUT A
ARINC 429 OUT B
ARINC 429 IN 1A
ARINC 429 IN 1B
ARINC 429 IN 2A
ARINC 429 IN 2B
190-01499-02
Rev. 4

Table 5-9 RS-232 Inputs and Outputs

Pin Name
Table 5-10 ARINC 429 Inputs and Outputs
Pin Name
Connector
P3251
P3251
P3251
P3251
P3251
P3251
P3251
P3251
P3251
P3252
P3252
P3252
Connector
P3251
P3251
P3251
P3251
P3251
P3251
GTX 3X5 Transponder TSO Installation Manual
Pin I/O
9 O
31 I
52 O
8 O
30 I
51 --
7 O
29 I
50 ---
5 O
10 I
15 O
Pin I/O
5 O
6 O
27 I
28 I
48 I
49 I
Page 5-9