
-13-
Basic Balanced Line System
This is a simple system with only two conductors connected between the
units.ACpowerisutilizedatbothsites.TheUnitisfactorycongured
forbalancedlineoperation.(NOTE:bothjumpersinBALposition.)
Figure 9.
290A3084B
24 VDC
GROUND
REMOTE
AUDIO +
AUDIO
-
DRY CONTACT
DRY CONTACT
24 VDC
GROUND
REMOTE
AUDIO +
AUDIO
-
DRY CONTACT
DRY CONTACT
NEUTRAL
HOT
EARTH GND.
NEUTRAL
HOT
EARTH GND.
INTERCOM I
AD-28LD-MV MASTER
J7
J2 J2
J7
INTERCOM II
AD-28LD-MV SLAVE
BASIC BALANCED
LINE SYSTEM
1K
1 WATT
7
6
5
4
3
2
1
3
2
1
3
2
1
7
6
5
4
3
2
1
AC
AC
Shielded Balanced Line System
This system offers maximum isolation from noise over long runs. The
shieldshouldonlybegroundedatoneside.ACpowerisutilizedatboth
sites.Theunitisfactoryconguredforbalancedlineoperation.(NOTE:
bothjumpersinBALposition.)
Figure 10.
290A3085B
24 VDC
GROUND
REMOTE
AUDIO +
AUDIO
-
DRY CONTACT
DRY CONTACT
24 VDC
GROUND
REMOTE
AUDIO +
AUDIO
-
DRY CONTACT
DRY CONTACT
NEUTRAL
HOT
EARTH GND.
NEUTRAL
HOT
EARTH GND.
INTERCOM I
AD-28LD-MV MASTER
J7
J2
J7
INTERCOM II
AD-28LD-MV SLAVE
SHIELDED BALANCED
LINE SYSTEM
1K
1 WATT
7
6
5
4
3
2
1
3
2
1
3
2
1
7
6
5
4
3
2
1
J2
AC
AC
Comentarios a estos manuales