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No. Four-Door Access Controller
W0 Wiegand Card Reader
Data Input Data0
12 V Wiegand Card Reader
Data Input Data0
G Grounding
B1 Power Supply G Grounding
B2 DC_IN Power In
B3 RS-485 Interface G Grounding
B4 485- Card Reader 485-
B5 485+ Card Reader 485+
B6~B13 Alarm Output COM4 Alarm Relay 4Output
(Dry Contact)
NO/NC4
COM3 Alarm Relay 3 Output
(Dry Contact)
NO/NC3
COM2 Alarm Relay 2 Output
(Dry Contact)
NO/NC2
COM1 Alarm Relay 1 Output
(Dry Contact)
NO/NC1
C1 Event In C4 Event In 4
C2 G Grounding
C3 C3 Event In 3
C4 Tamper C2 Reserved
C5 G Grounding
C6 C1 Tamper
C7 Event In C6 Event In 6
C8 G Grounding
C9 C5 Event In 5
C10~C21 Lock 1~Lock 2 NC Lock Relay Output (Dry
Contact)
COM
DS-K281X Series Access Controller User Manual
12
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