Garmin MX20 - Traffic Source; Weather Source; Terrain Taws Source; Audio

Equipment Compatibility
B-2 560-1025-09 Rev E MX20 Installation Manual
B.4 Traffic Source
The following Traffic sources are compatible with the MX20.
Manufacturer Model Data Format Notes
Garmin GTX330 ARINC429
MX20 I/O Model only
Garmin AT Legacy UAT/GDL 90 UAT RS-422
L-3
Communications
SKY497 ARINC429
MX20 I/O Model only
L-3
Communications
SKY899 ARINC429
MX20 I/O Model only
Ryan TCAD 9900B RS-232
MX20 I/O Model only
Ryan TCAD 9900BX RS-232
MX20 I/O Model only
Honeywell KMH 820 IHAS ARINC429
MX20 I/O Model only
B.5 Weather Source
The following Weather sources are compatible with the MX20.
Manufacturer Model Data Format Notes
Allied Signal RS-181A
(King P/N 071-1315-00,
Bendix/King
P/N 3614077-8101)
ARINC708
MX20 I/O Model only
Bendix/King ART2000
(Bendix/King
P/N 071-01519-0101)
ARINC708
MX20 I/O Model only
Bendix/King ART2100
(Bendix/King
P/N 071-01550-0101)
ARINC708
MX20 I/O Model only. The ART2100
is supported when configured to
emulate an ART2000. Only ART2000
functions are available.
Garmin GWX 68 ARINC708
MX20 I/O Model only
Garmin AT Legacy UAT/GDL 90 RS-422
Garmin AT GDL 69/69A RS-232
L-3 (Goodrich) WX500 RS-422
WSI AV-200 RS-232
MX20 will communicate at 38,400
baud
B.6 Terrain TAWS Source
The following Terrain sources are compatible with the MX20.
Manufacturer Model Data Format Notes
Honeywell KGP-560 EGPWS ARINC708
MX20 I/O Model only
Honeywell KMH 820 IHAS ARINC708
MX20 I/O Model only
L-3 (Goodrich) Landmark TAWS 8000 ARINC708
MX20 I/O Model only
B.7 Audio
The following audio component(s) are compatible with the MX20.
Manufacturer Model Data Format Notes
Garmin AT GDL 69A RS-232
RS-232 is for command and control.
Audio is routed directly to audio panel.