Atkinson Dynamics AD-28LD-MV Handleiding voor installatie- en service-instructies - Pagina 14

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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
J2
NEUTRAL
3
HOT
2
EARTH GND.
1
This configuration is used when hooking to other products on the market.
This system does not offer the same level of noise isolation as a balanced
line system and should only be used when hooking to existing devices. The
neighboring jumpers on the circuit board must be changed from the BAL
position to the UNB position for these installations (see figure 1).
BASIC UNBALANCED
LINE SYSTEM
J7
1K
1 WATT
AC
Basic Unbalanced Line System
Figure 11.
AUDIO
GROUND
-14-
AC
CABLE
290A3086B