Digital Alert Systems DASDEC-III Manual de instalación del hardware - Página 10
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Digital Alert Systems
AES Digital Audio Wiring
An optional AES audio input/output function is available for the DASDEC platform. This includes the
capability for an AES digital audio output, along with a switching AES audio output when an AES audio
input is connected. Refer to the diagram above for the cabling of the AES audio inputs and outputs.
EAS Monitoring Inputs
Radio signals for the DASDEC-III to decode EAS alerts can be received in two ways:
1. Via internal radios, connect to your site's antenna via a coaxial connection.
2. Via external radios that pass on audio to the DASDEC-III via a line-in-jack.
Four connection options are available.
•
A line-in-jack connection with external radios using a 3.5mm jack. and
•
An additional sound card (EXP-EAS) with its 3.5mm jack.
•
Radio tuners Radios 1, 2, and 3
•
Monitor 4 input
See the back panel graphic on the next page for references to specific components.
Back Panel View shown with optional EXP-2NICGIG and EXP-EAS monitoring audio expansion
• Each audio line connector (3.5mm TRS) supports two EAS decoders. The left side of the input is
decoded separately from the right side.
•
The line-in-jack option uses a monoaural connection, meaning that one 1/8 mini plug will need to be
wired to provide the audio of two sources provided from external radios.
•
Refer to the diagram below:
▪
The tip is left input, the ring is right input, and the sleeve is common ground.
▪
Line-in-jack will utilize the blue 3.5 mm jack for main input 1 & 2 and if applicable
the blue 3.5 mm jack on the sound card or aux input 3 & 4.
Revision 1.0
DASDEC-III Hardware/Installation Guide
Page 10 of 16