Axia Element Installation & User Manual page 39

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