Garmin GIA 63 Installation Manual page 110

4.6.2.4 Digital Audio
Pin Name
COM DIGITAL AUDIO OUT
ON-SIDE COM MIC DIGITAL AUDIO IN
VOICE ALERT DIGITAL AUDIO OUT
VOR/LOC DIGITAL AUDIO OUT
CROSS-SIDE COM MIC DIGITAL AUDIO IN
(011-01105-2X/-3X/-4X ONLY)
When interfaced to a compatible Garmin GMA series audio panel, these can be used in place of analog
audio lines. In dual GMA installations the CROSS-SIDE COM MIC DIGITAL AUDIO IN allows a
working GMA to access digital audio from both GIAs in the case of a single GMA failure.
GIA 63 Installation Manual
Page 4-26
Table 4-20. Digital Audio
Connector Pin
P601 13
P601 14
P603 69
P602 59
P601 18
190-00303-05
I/O
Out
In
Out
Out
In
Rev. Y