Federal Signal AudioMaster 310LD-MV Instrucciones De Instalación Y Servicio página 14

INTERCOM I
310LD-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 con Figured for
balanced line operation. (NOTE: both jumpers in BAL position.)
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 con Figured 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
Figure 10.
AC
-12-
INTERCOM II
310LD-MV SLAVE
J7
7 24 VDC
6 GROUND
5 REMOTE
4 AUDIO +
3 AUDIO
2 DRY CONTACT
1 DRY CONTACT
J2
3
NEUTRAL
2
HOT
1
EARTH GND.
-
290A3084