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4) Split-decoded Multi-station Access Control Door Lock
Description
This is an expansion of application (3). The DK-2890 is expandable to a multi-station system in
Split-decoded operation. It is compatible with the auxiliary readers AR-2802 and the auxiliary
reader-keypads AR-2806, AR-2807 & AR-2809. Total 3 auxiliary readers or reader-keypads can
be connected in parallel with the Data I/O Bus. They provide the same functions like the master
keypad in using cards and user codes. The DK-2890 that is the server of the system manages
the data with its Data I/O Bus among the associated devices. This approach gives high security
in sabotage prevention and user convenience.
Note: Make Operation Mode setting of the keypad in "Server Mode" with Location 94 = 1 in
this application.
System Connection
AR-2802/06/07/09
AUXILIARY READER
OR KEYPAD-READER
Wiring Diagram
DK-2890 (SERVER)
1. GREY
TAMPER N.C.
2. PINK
3. PURPLE
OUTPUT RELAY 2
OR
DOOR BELL
4. ORANGE
5. RED
12V
(+)
DC IN
6. BLACK
GND (–)
( + ) ( – )
DATA
TAMPER
LED
12-24V DC
I/O
N.C.
1
2
3
4
5
6
AR-2802/06/07/09
AUXILIARY READER
OR KEYPAD-READER
DATA I/O BUS
(+) POWER SUPPLY
(–) COMMON GND
DK-2890
(SERVER)
7. LIGHT BLUE
EG IN N.O.
8. BROWN
(–) GND
9. WHITE
DATA I/O
10. YELLOW
N.C.
11. GREEN
COM
12. BLUE
N.O.
(–) COMMON GND
(+) POWER SUPPLY
DATA I/O BUS
DA-2800 OR
DA-2801
(DECODER)
DA-2800 OR DA-2801
AD-1312 OR AP-960
DIGITAL KEYPAD
(-)
EGRESS BUTTON
N.O.
MORE EGRESS
(-)
BUTTON CAN
N.O.
BE CONNECTED
IN PARALLEL
(-)
DOOR BELL
N.O.
BUTTON
ELECTRIC LOCK
(DECODER)
OUTPUT 1
OUTPUT 2
OUTPUT 3
N.C.
N.O.
OUTPUT RELAY 1
N.O. Output for Fail-secure Lock
N.C. Output for Fail-safe Lock
ELECTRIC LOCK
1N4004
CATHODE
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