Axia Element - Page 40

3: Conguring GPIO • 30
©2008 Axia Audio — Rev. 3.0
GPIO Studio Monitor Logic
Name Pin Type Notes
INPUTS
MUTE Studio Command 11 Active Low Input Allows external muting of
Studio monitor speakers.
DIM Studio/Monitor 2
Command
12 Active Low Input Allows external dimming of
Studio monitor speakers.
Remote Event Timer Trigger
Command
13 Active Low Input Resets Countup Event Timer
to zero and starts timer.
Remote Countdown Timer
Trigger Command
14 Active Low Input Resets Countdown timer to
preset max time and starts
timer (Element only).
Not Used 15 Active Low Input
OUTPUTS
Studio ON AIR Lamp 1 Open Collector to Logic Com-
mon Return
Illuminates whenever Studio
monitors are muted
DIM Studio/Monitor 2 Lamp 2 Open Collector to Logic Com-
mon Return
Illuminates whenever Studio
monitors are DIMMED
Event Timer Trigger Output 3 Open Collector to Logic Com-
mon Return
A 100 ms PULSE sent when
event timer is started from
zero.
Countdown Timer Trigger
Output
4 Open Collector to Logic Com-
mon Return
A 100 mS PULSE sent when
countdown timer is started
from preset max (Element
only).
TALK TO STUDIO/MONITOR 2
Active Lamp
5 Open Collector to Logic Com-
mon Return
Illuminates whenever the
TALK TO STUDIO/MON2 func-
tion is active.
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