Aiphone LEF Series Instructions

WIRING DIAGRAMS - Applications
(
1
)
LEF-3C audio communication system
No.
1
MASTER
①
LEF-3C
All-Master system
PS-1208UL / PS-1208BF /
PS-1208S / PS-1208
POWER SUPPLY
PS-1208UL / PS-1208BF /
PS-1208S / PS-1208
POWER SUPPLY
PS-1208UL / PS-1208BF /
PS-1208S / PS-1208
POWER SUPPLY
PS-1208UL / PS-1208BF /
PS-1208S / PS-1208
POWER SUPPLY
with one door station
Intermixed system
Single-Master system
2
3
4
MASTER
4
3
2
1 1 2
1
1
1
SYSTEM DOOR (audio) ROOM SUB
C
E
R
Y
+
-
2
3
1
②
LEF-3C
C
E
R
Y
+
-
3
1
2
+
-
G
③
LEF-3C
C
E
R
Y
+
-
2
1
3
④
LEF-3C
C
E
R
Y
+
-
2
1
3
MASTER
LE-DA
AUDIO
DOOR
STATION
E
-
1
①
LEF-3C
C
E
R
Y
+
-
2
1
3
②
LEF-3C
C
E
R
Y
+
-
2
1
3
LE-B, BN
SUB
E
-
1
LE-DA
AUDIO
DOOR
STATION
E
-
1
MASTER
LEF-3C
C
E
R
Y
+
-
2
1
3
+
-
G
E
1
E
-
LE-B, BN
E
-
1
LE-B, BN
SUB
MASTER
LE-DA
AUDIO
DOOR
STATION
E
-
1
①
LEF-3C
C
E
R
Y
+
-
3
2
1
②
LEF-3C
C
E
R
Y
+
-
3
1
2
③
LEF-3C
C
E
R
Y
+
-
2
1
3
In Intermixed System.
Remove the shorting link on all stations
as 3 wires are required to each sub.
In single-master system.
If using 2 wires to each sub, shorting link
MUST REMAIN ATTACHED on all stations.
If using 3 wires to each sub, remove
shorting link on all stations.
1
All-Master system
3
Intermixed System
4
Single-Master system
2
All-Master system w/one door station
- 9 -
+
-
G
+
-
G

Aiphone LEF Series Specifications

General

Material	ABS Plastic
Color	White
Audio Frequency Response	300Hz - 3.4kHz
Wiring	2-wire
Door Release	Yes