
-11-
Figure 5.
290A3080
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
MASTER/SLAVE INSTALLATION
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
Master Slave Installation
In this installation, the Master is constantly broadcasting audio from the
Slave. Pushing the listen/talk switch on either unit forces the Slave into
the listen mode and the Master into the talk mode. The MAS/SLA jumper
must be placed in the SLA mode for this operation on the slave unit.
Using Foot Switches
Using normally open, simple contact closure foot switches (customer
supplied) allows for total hands free operation of the listen/talk functions.
Figure 6.
290A3081
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
USING FOOT SWITCHES
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
FOOT SWITCH
N.O.
FOOT SWITCH
N.O.
G. WIRING DIAGRAMS.
Summary of Contents for 310LD-MV
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