Aiphone LEF-3 - Intercom Wiring Diagrams; Substation to Master Wiring; Master to Master Intercom Wiring; Master to Sub Intercom Wiring

– 5 –
Door or sub station to master station intercom wiring, single or multi-master station
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.
Notes:
1
from a sub station can wire to any number
1
,
2
, or
3
but never
C
.
C
is only used for internal communication between master stations. See below.
Master to Master intercom wiring, internal communication between master stations
Important: Never wire
C
to another master station's
C
terminal.
Master to sub intercom only, no internal communication between master stations
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.
PS12
PS-1225UL, PS-1225S, PS-1225, PS-1215DIN
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.
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-SS/A series stations use colored leads
1
is red lead
-
is blue lead
E
is black lead
Notes:
1
from a sub station can go to
1
,
2
or
3
but never
C
.
Only master stations can answer
calls and communicate with sub
stations.
* LE-SS/A is North America only.
1
E
-
3
2
1
E
-
C
R
Y
+
-
+
LE series sub /
door station
Single
LEF-3
*Keep E /
-
jumpers
only for 2-wire setup
PS12
*
*
1
E
-
3
2
1
E
-
C
R
Y
+
3
2
1
E
-
C
R
Y
+
-
+
LE series sub /
door station
*Remove E /
-
jumpers in
all multimaster systems
Multi-master
LEF-3 LEF-3
PS12
*
3
2
C
1
E
+
Y
-
R
3
C
1
2
E
+
Y
-
R
+
-
LEF-3
“M1”
LEF-3
“M2”
PS12
-
+
C
2
1
3
E
3
2
1
C
E
+
Y
-
R
+
Y
-
R
LEF-3
“Same Channel Method”
using channel 3
PS12
-
+
3
2
1
E
-
R
Y
+
C
3
2
1
E
-
R
Y
+
C
1
E
-
1
E
-
Red
Black
Blue
LEF-3 LEF-3
*Remove all E /
-
jumpers
LEF-3 “Parallel Method”
LE series sub / door station
LE-A / LE-DA etc
LE series sub / door station
LE-A / LE-DA etc
LE-SS/ A series
door station*
PS12
Red
Black
Blue
4
WIRING DIAGRAMS - Important Wiring Rules