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Digital Alert Systems
Introduction:
The DASDEC-III Emergency Alert System (EAS) Analog and Digital CAP/ Encoder/Decoder platforms are
relatively easy to install and set up. This manual covers the installation and hardware connections of the
DASDEC-III.
Hardware:
The DASDEC-III is a 2U rack-mounted EAS device that utilizes standard computer technology in a
dedicated chassis with broadcast quality connectors. The PC motherboard uses industry-standard
connectors for USB, PS/2, serial, VGA, HDMI, networking, and audio. In addition to the standard
motherboard connections, the platforms feature broadcast-quality video, audio, antenna, contact
closure, and power connectors. All external connectors are located in the rear of the unit. An LCD with a
backlit tactile keypad, status/alert LEDs, and an internal speaker are located on the front of each unit.
Front Panel:
Front Panel Display:
displays information as "pages" with four lines of data. The fourth line always displays
The backlit LCD
the currently set date and time. The pages may be cycled using the up and down arrows on the
directional pad to the right of the display. The display automatically switches back to page one after a
few seconds of inactivity.
Page One:
•
Line 1 - the total number of active alerts.
Line 2 –a crawl of one of those active alerts
•
and whether the alert was decoded (D),
originated (O), CAP (C), or forwarded (F).
•
Line 3 –the time that the currently displayed
alert will end.
Revision 1.0
Front Panel view of the DASDEC-III
DASDEC-III Hardware/Installation Guide
Page 6 of 16
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