– 5 –
4 WIRING
Terminal definitions
Call tone adjustment
3-position volume switch, located under directory cover plate.
Adjusts call tone volume to low (far left), medium, high (far right).
LEF-3
LEW-5 LEW-10
LEF-5, LEF-10, LEF-10S
(unused terminals have no screws)
Selector switch for Call Tone in Occupied Mode
* IMPORTANT: The shorting link between the E and – terminals
must be removed on all units when two or more master stations
are included in the system. Leave it attached only in 1-master
systems with 2 conductor homerun wiring to each sub station.
* LEW-5, LEW-10, and LEW-10S Terminal boxes are not equipped with K1
~ K5, K1 ~ K10 terminals.
1 ~ 10: Station number, establishes communication to other LEF masters (to “C”
terminal) or LE subs (to “1” terminal)
C: “CALL”, Call receive from another master (and All Call/Chime/Music
reception)
E: Common communication line
R: Activates occupied LED to indicate when any master is ON
(line drops to 0V DC when any master is on.)
Y: Occupied mode control during All Call (becomes +9V DC during All Call)
L: Door strike activation (becomes +12V DC when “key” button is pressed)
+, –: 12V DC power supply connection. Use Aiphone PS-1225UL(S).
P1: All Call control (becomes +10V DC when All Call button is pressed and
activates pretone)
P2, P3: All Call transmit of audio path from initiating master to BG-10C
★
K1 ~ K5 (LEF-5), K1 ~ K10 (LEF10, 10S): Selective control terminal, used for video control with
MK Video series, or for selective door release (w/RY-PA) from the master to multiple door stations.
(“K#” terminal becomes ground (–) when corresponding station number is pressed.)
LEF surface mount master stations are set in the "B" position
from the factory. This allows a sub call-in tone to be heard at a
muted level while the master is in the occupied mode.
*If a BG-10C is included in the system, the switch must be set
to the "A" position, which will mute the call tone while the door
chime is heard throughout the system. Otherwise, the chime
and call tone will be heard simultaneously.
“A” position: Mutes call tone at master while system
is in occupied mode.
“B” position: Call tone is heard when master is in
occupied mode.
+
E
–
C
1
2
3
R
Y
12345E C Y P1 P2
6 7 8 9 10 E R L P3 K0
CN2
CN3
CN1
K1
K2
K3
K4
K5
K6
K7
K8
K9
K10
CN1CN3CN2
to CN1
socket
to CN2
socket
to CN3 socket
YellowRed
Shorting link
Speaker
LEF-10, 10S
Front case
back view
Yellow
1
2
3
4
5
E
+
C
Y
R
L
E
–
E
–
E
–
1
2
3
4
5
E
+
C
Y
P1
P2
P3
6
7
8
9
10
R
L
LEW-10S
E
–
E
–
1
2
3
4
5
E
+
C
Y
6
7
8
9
10
R
L
FRONT CASE
BACK VIEW
A
B
(when shipped)
LEF-3
A
B
(*mutes call tone
while Occupied)
LEF-5
A
B
A
B
(*mutes call tone
while Occupied)
(when shipped)
LEF-10,LEF-10S
CALL
LEF-5,10,10S
3-pos. call tone vol. switch
(under directory cover)
LEF-3
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