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Access Controller·User Manual
9
No.
DS-K2804
B24
BZ
Card Reader Buzzer Control Output
B25
W1
Wiegand Head Read Data Input Data1
B26
W0
Wiegand Head Read Data Input Data0
B27
PWR
Card Reader Power Output
B28
GND
C1
Power
GND
DC12V Grounding
C2
+12V
DC12V Input
D1
Alarm Output 4
COM4
Alarm Relay Output 4 (Dry Contact)
D2
NO/NC4
D3
Alarm Output 3
COM3
Alarm Relay Output 3 (Dry Contact)
D4
NO/NC3
D5
Alarm Output 2
COM2
Alarm Relay Output 2 (Dry Contact)
D6
NO/NC2
D7
Alarm Output 1
COM1
Alarm Relay Output 1 (Dry Contact)
D8
NO/NC1
Notes:
The Alarm input hardware interface is normally open by default. So only the normally open
signal is allowed. It can be linked to the buzzer of the card reader and access controller, and
the alarm relay output and open door relat output.
For single-door access controller, the Wiegand card reader 1 and 2 respectively correspond to
the entering and exiting card readers of door 1. For two-door access controller, the Wiegand
card reader 1 and 2 respectively correspond to the entering and exiting card readers of door
1 , and the Wiegand card reader 3 and 4 respectively correspond to the entering and exiting
card readers of door 2. For four-door access controller, the Wiegand card reader 1, 2, 3 and 4
respectively correspond to the entering card readers of door 1, 2, 3, and 4.
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