CONNECTION OF OPTIONAL UNITS
I-23
CN4
Doorphone
/Doorlatch
I/F Card
CCU
w
q
2
1
Connector Knob
1 2 3 4
1 2 3 4
DPH-A
DPH-A
DPH-B
DPH-B
A
+12V
K
GND
DDK connector
DDK connector
B
C
M
B
C
M
Sensor
Door
opener-A
Door
opener-B
B: Break
C: Common
M: Make
DC 24V
MAX. 1A
DC 24V
MAX. 1A
Relay
Power Relay
for AC 240 V
AC 240 V or
Other Power Source
CASE2: Door opener
operation In the case
of AC 240 V or DC
24 V and 1A or more.
CASE1: Door opener
operation In the case
of DC 24 V and 1A
or less.
Doorphone-B
Doorphone-A
N
L
E
CN4
CN2
CN3
EMI Filter
WARNING
Always unplug the AC plug
from the outlet and power
off the switch (STD BY) of
the CCU when mounting
the Doorphone/Doorlatch
I/F card.
WARNING
• Use a plier
for tighten-
ing wires to
DDK con-
nectors to
prevent from
loose wiring.