Atkinson Dynamics AD-28LD-MV Panduan Petunjuk Instalasi dan Servis - Halaman 13

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Halaman Cetak
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
This is a simple system with only two conductors connected between the
units. AC power is utilized at both sites. The Unit is factory configured
for balanced line operation. (NOTE: both jumpers in BAL position.)
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
This system offers maximum isolation from noise over long runs. The
shield should only be grounded at one side. AC power is utilized at both
sites. The unit is factory configured for balanced line operation. (NOTE:
both jumpers in BAL position.)
BASIC BALANCED
LINE SYSTEM
J7
1K
1 WATT
J2
AC
Basic Balanced Line System
Figure 9.
SHIELDED BALANCED
LINE SYSTEM
J7
1K
1 WATT
J2
AC
Shielded Balanced Line System
Figure 10.
-13-
INTERCOM II
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 II
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
-
290A3084B
-
290A3085B