Axia Element - Page 39

3: Conguring GPIO • 29
©2008 Axia Audio — Rev. 3.0
GPIO Control Room Monitor Logic
Name Pin Type Notes
INPUTS
MUTE CR Command 11 Active Low Input Mutes CR monitors and Pre-
view speakers
DIM CR Command 12 Active Low Input Allows external dimming of
CR monitor speakers.
Enable EXT PREVIEW Com-
mand
13 Active Low Input Feeds External Audio Input to
PREVIEW
Not Used 14 Active Low Input
TALK TO EXT Command
(Element only).
15 Active Low Input Turns on Talk to External
Audio on Element.
OUTPUTS
CR ON AIR Lamp 1 Open Collector to Logic Com-
mon Return
Illuminates whenever CR
monitors are muted
DIM CR Lamp 2 Open Collector to Logic Com-
mon Return
Illuminates whenever control
room monitors are DIMMED
PREVIEW Lamp 3 Open Collector to Logic Com-
mon Return
Illuminates when PREVIEW is
active.
Not Used 4 Open Collector to Logic Com-
mon Return
TALK (to CR) Active Lamp 5 Open Collector to Logic Com-
mon Return
Active whenever a source has
activated its TALK (to CR)
function
POWER & COMMON
Source Common 7 Logic Common Connect to ground of source
device or to Pin 8
Logic Common 8 Internal 5 Volt return Can be connected to Pin 7 if
source is not providing com-
mon
Logic + 5 Volt supply 9 Logic Supply, Individually
Fused
Can be connected to Pin 10
if source is not providing
voltage; active only when
source has been assigned to
channel.
Source Supply 10 Common for all 5 inputs Connect to power supply of
source device or to Pin 9
NOT CONNECTED 6
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GPIO v.”Z” 12/2007