Atkinson Dynamics AD-28LD-MV Installation And Service Instructions Manual - Page 15

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INTERCOM I
AD-28LD-MV MASTER
24 VDC
7
GROUND
6
REMOTE
5
AUDIO +
4
-
AUDIO
3
DRY CONTACT
2
DRY CONTACT
1
NEUTRAL
3
HOT
2
EARTH GND.
1
INTERCOM 3
310-MV MASTER
DRY CONTACT
10
DRY CONTACT
9
-
AUDIO
8
AUDIO +
7
REMOTE
6
GROUND
5
24 VDC
4
NEUTRAL
3
HOT
2
EARTH GND.
1
Multiple intercoms can be tied to one line. Depressing talk on any unit
will broadcast audio over all other units. (NOTE: only one line resistor
needs to be installed on the line for any installation.)
MULTIPLE INTERCOMS
J7
1K
1 WATT
J2
AC
AC
Multiple Intercoms
Figure 12.
-15-
INTERCOM 2
AD-28LD-MV SLAVE
J7
7
24 VDC
6
GROUND
5
REMOTE
4
AUDIO +
3
AUDIO
2
DRY CONTACT
1
DRY CONTACT
J2
NEUTRAL
3
AC
HOT
2
EARTH GND.
1
INTERCOM 4
310X-MV SLAVE
DRY CONTACT
10
DRY CONTACT
9
AUDIO
8
AUDIO +
7
REMOTE
6
GROUND
5
24 VDC
4
NEUTRAL
3
AC
HOT
2
EARTH GND.
1
-
-
290A3087B