User guide

DESCRIPTION AND CONNECTIONS
PAGE 7AMIS-DMA1 INSTALLATION & OPERATION MANUAL
3.2 Connection description
6
VAC/DC Power input 12-15VAC or 12-24VDC
6
+12VDC Auxiliary + 12Vdc voltage, available for input
activation or external feed sensors. MAX. 100mA
7
GND Ground for input activation using external contacts;
auxiliary ground voltage
7
IN1 Multi-function input for activating 1.mp3 fi le or
1.m3u playlist (direct or bit 0 in binary combination)
7
IN2 Multi-function input for activating 2.mp3 fi le or
.m3u playlist (direct or bit 1 in binary combination)
7
IN3
Multi-function input for activating 4.mp3 fi le or
3.m3u playlist (direct or bit 2 in binary combination)
7
IN4
Multi-function input for activating 8.mp3 fi le or
4.m3u playlist (direct or bit 3 in binary combination)
7
IN5/485A Multi-function input for activating 16.mp3 fi le or
5.m3u playlist (direct or bit 4 in binary combination)
confi gurable for serial RS485 communication
(see chap. 9)
7
IN6/485B Multi-function input for activating 32.mp3 fi le or
6.m3u playlist (direct or bit 5 in binary combination).
Confi gurable for serial RS485 communication
(see chap. 9)
7
IN/OUT7
Multi-function input/output for activating 64.mp3
fi le or 7.m3u playlist (direct or bit 6 in binary
combination)
7
IN/OUT8
Multi-function input/output for activating 128.mp3
fi le (direct or bit 7 in binary combination)
Confi gurable for external applications. 0=in standby,
1=in play (+12V). Permits two DMA1s to be
connected in cascade for the synchronised
management of music playlists and commercials
spots (spot announcements) in a scheduled time
frame (connection Vlink, par. 8.1)
8
IN L Line level audio input (left channel), for connection
of external music sources (SAT, CD, Tuner etc)
to be mixed with DMA1 generated audio
8
GND
Ground signal of line level audio input
8
IN R
Line level audio input (right channel), for
connection of external music sources (SAT, CD,
Tuner etc) to be mixed with DMA1 generated audio
9
OUT L
Line level audio output (left channel)
9
GND
Ground signal of line level audio output
9
OUT R
Line level audio output (right channel)
10
SPK L
Amplifi ed audio output for speaker (20W),
left channel
10
GND
Ground signal of amplifi ed audio output
10
SPK R
Amplifi ed audio output for speaker (20W),
right channel