Garmin G3X Installation Manual page 355

23.13.4 Serial Data Electrical Characteristics
23.13.4.1 ARINC 429 Input/Output
The ARINC 429 outputs conform to ARINC 429 electrical specifications when loaded with up to 5
standard ARINC 429 receivers.
Pin Connector
20 J731
21 J731
22 J731
23 J731
25 J731
26 J731
27 J731
28 J731
30 J731
31 J731
32 J731
33 J731
23.13.4.2 RS-232 Input/Output
The RS-232 outputs conform to EIA Standard RS-232C with an output voltage swing of at least ±5 V
when driving a standard RS-232 load. RS-232 OUT 2 is not currently active. RS-232 IN/OUT 3 is used
for connection to a transponder
default).
Pin Connector
15 J731
16 J731
17 J731
18 J731
19 J731
190-01115-01
Rev. AA
ARINC 429 OUT 1A
ARINC 429 OUT 1B
ARINC 429 OUT 2A
ARINC 429 OUT 2B
ARINC 429 IN 1A
ARINC 429 IN 1B
ARINC 429 IN 2A
ARINC 429 IN 2B
ARINC 429 IN 3A
ARINC 429 IN 3B
ARINC 429 IN 4A
ARINC 429 IN 4B
(Figure 25-2.2 & Figure
MAGNETOMETER RS-232 OUT
RS-232 IN 2 (RESERVED)
RS-232 OUT 2 (RESERVED)
RS-232 IN 3 (TRANSPONDER)
RS-232 OUT 3 (TRANSPONDER)
G3X/G3X Touch Installation Manual - LRU Pinouts
Pin Name
25-2.3), and is not configurable (always on by
Pin Name
I/O
OUT
OUT
OUT
OUT
IN
IN
IN
IN
IN
IN
IN
IN
I/O
OUT
IN
OUT
IN
OUT
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