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
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
--