DS-K2800 Serial Access Controller
14
No.
DS-K2804
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
Note:
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 single-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.