Aiphone LEF-3 Installation & Operation Manual page 5

4
WIRING DIAGRAMS - Important Wiring Rules
Door or sub station to master station intercom wiring, single or multi-master station
LE series sub /
door station
1
-
*
E
*Keep E / - jumpers
only for 2-wire setup
Intercom Operation:
·
To initiate call at sub station, push the station's Call button.
·
To answer sub station call at LEF-3, push the appropriate Station Selector button.
·
To talk to sub station, press and hold TALK and release to listen.
1
Notes:
from a sub station can wire to any number
C
is only used for internal communication between master stations. See below.
Master to Master intercom wiring, internal communication between master stations
"M1" "M2"
LEF-3 LEF-3
C 1
2 C
3 3
1 2
+ +
- -
E E
R R
Y Y
Master to sub intercom only, no internal communication between master stations
LEF-3 "Parallel Method"
LEF-3
1
2
PS12
3
+ +
- -
E
R
C
Y
Intercom Operation:
·
To initiate call at sub station, push the station's Call button.
·
To answer sub station call at LEF-3, push the appropriate Station Selector button.
·
To talk to sub station, press and hold TALK and release to listen.
PS-1225UL, PS-1225S, PS-1225, PS-1215DIN
PS12
Single
LEF-3
1
2
PS12
3
+
+
- -
*
E
C
R
Y
1 2
,
Important: Never wire C to another master station's C terminal.
Choose either method.
Operation notes:
When operating M1, push #2 Station
Selector button to listen to "M2", press
and hold "TALK" to talk.
When operating M2, push #1 Station
Selector button to listen to "M1", press
and hold "TALK" to talk.
PS12
When operating either master station
+
-
utilizing the "same channel method,"
push #3 Station Selector button to listen
to the other master station, press and
hold "TALK" to talk.
LE series sub / door station
LEF-3 LE-A / LE-DA etc
1 1
2
3
+
-
-
E
E
R
C
Y
*Remove all E / - jumpers
LE series sub /
door station
1
-
*
E
*Remove E / - jumpers in
all multimaster systems
3 C
, or but never .
LE series sub / door station
LE-A / LE-DA etc
A
LE-SS/ series
door station*
1
Red
-
Blue
E Black
– 5 –
Multi-master
LEF-3 LEF-3
1 1
2 2
PS12
3 3
+ +
+
-
- -
E E
R R
C C
Y Y
"Same Channel Method"
using channel 3
LEF-3
1
2
C
PS12
3
+ +
-
-
E
R
Y
LE-SS/A series stations use colored leads
1
is red lead
Red
Blue
-
is blue lead
Black
E
is black lead
Notes:
1
from a sub station can go to
1 2 3
, or but never
Only master stations can answer
calls and communicate with sub
stations.
* LE-SS/A is North America only.
1
2
3
C
+
-
E
R
Y
C
.