Gpio Control Room Monitor Logic - Axia Quasar User Manual

GPIO Control Room Monitor Logic

Name
INPUTS
MUTE CR Command
DIM CR Command
Enable EXT PREVIEW Com-
mand
TALK TO EXT Command
Not used.
OUTPUTS
CR ON AIR Lamp
DIM CR Lamp
PREVIEW Lamp
TALK TO EXT Lamp
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
© 2016 Axia Audio - Rev 2.0
Type
Active Low Input
Active Low Input
Active Low Input
Active Low Input
Active Low Input
Open Collector to Logic
Common Return
Open Collector to Logic
Common Return
Open Collector to Logic
Common Return
Open Collector to Logic
Common Return
Open Collector to Logic
Common 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.
Illuminates whenever CR
monitors are muted
Illuminates whenever control
room monitors are DIMMED
Illuminates when PREVIEW is
active.
Illuminates when Talk to
External 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 common
Can be connected to Pin 10 if
source is not providing volt-
age; active only when source
has been assigned to channel.
Connect to power supply of
source device or to Pin 9