Main Control Board Terminal Description
GND
Grounding
RS-485 Interface
GND
Grounding
RS-485 B-
Connect to Card Reader RS485-
RS-485 B+
Connect to Card Reader RS485+
GND
Grounding
RS-485 C-
Connect to Card Reader RS485-
RS-485 C+
Connect to Card Reader RS485+
Power Output 2
5 V
5 VDC Power Output
GND
5 VDC Grounding
RS-232 Interface
GND
Grounding
RS-232 G-
Connect to Card Reader RS232-
RS-232 G+
Connect to Card Reader RS232+
GND
Grounding
RS-232 H-
Connect to Card Reader RS232-
RS-232 H+
Connect to Card Reader RS232+
Power Input
+24 V
24 VDC Power Input
GND
Grounding
Event Input
C1
Event Alarm Input 4
GND
Grounding
C2
Fire Input
C3
Event Alarm Input 2
GND
Grounding
C4
Event Alarm Input 1
Exit Button
B2
Door 2 Signal Input
GND
Grounding
B1
Door 1 Signal Input
Door Lock (Relay)
D1-
Door 1 Relay Output (Dry Contact)
D1+
D2-
Door 2 Relay Output (Dry Contact)
DS-K3Y501 Flap Barrier Quick Start Guide
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