190-01115-01 G3X/G3X Touch Installation Manual - LRU Pinouts
Rev. AC Page 25-17
25.3.5 Lighting
The GDU 37X display brightness can be configured to track 28 VDC or 14 VDC lighting busses using
these inputs.
25.3.6 Audio
25.3.6.1 Mono Audio
The mono audio output provides audio alerts for connection to an unswitched input on an intercom or
audio panel.
25.3.6.2 Stereo Audio
The stereo audio output provides SiriusXM® audio for connection to an entertainment input on an
intercom or audio panel. Audio alerts may optionally be reproduced on the stereo audio output in addition
to the mono audio output. See Section 33.4.13
for instructions regarding the sound config page.
The left and right common pins (pins 2 and 20) may be tied together or only one may be used. It is not
necessary to use both common pins.
Pin Name Connector Pin I/O
14V LIGHTING BUS HI J3701 43 In
28V LIGHTING BUS HI J3701 26 In
Pin Name Connector Pin I/O
MONO AUDIO OUT HI J3701 1 Out
MONO AUDIO OUT LO J3701 18 --
Pin Name Connector Pin I/O
STEREO AUDIO OUT LEFT J3701 3 Out
STEREO AUDIO OUT LO J3701 20 --
STEREO AUDIO OUT RIGHT J3701 19 Out
STEREO AUDIO OUT LO J3701 2 --
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