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Basic Balanced Line System
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.)
Figure 9.
290A3084
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
310LD-MV MASTER
J7
J2
J2
J7
INTERCOM II
310LD-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
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.)
Figure 10.
290A3085
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
310LD-MV MASTER
J7
J2
J7
INTERCOM II
310LD-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
Summary of Contents for 310LD-MV
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