Access Control Board Terminal Description
the third-party
barrier switch.
D1 controls the
door opening
for ordinary
entrance, and
D2 controls the
door opening
for ordinary
exit.
Alarm Output
NO/NC1
Alarm Output Relay 1 (Dry Contact)
The alarm
output
supports switch
output.
COM1
NO/NC2
Alarm Output Relay 2 (Dry Contact)
The alarm
output
supports switch
output.
COM2
Loudspeaker
/
Connect to loudspeaker
/
Network Interface
LAN
Network Accessing
/
Fire Input
XF
Fire input
/
G
Grounding
Note
• You can swtich between RS-485 and RS-232 via the DIP switch on the access control board. For
details about DIP switch and swiching method, see Access Control Board Serial Port ID
• For details about DIP switch operation, see DIP Switch Description .
4.5.5 Access Control Board Serial Port ID Description
You can set the device mode, switch the communication mode of the corresponding UART, and
initialize the device through the DIP on the access control board.
The DIP switch of the access control board is shown in the figure below:
Note
The diagram is for reference only.
DS-K3B411X Series Swing Barrier Quick Start Guide
28