User's Manual

Table Of Contents
4.3.4 Sub Oponal Board Terminal Descripon (Oponal)
Figure 4-5 Loudspeaker Board Terminal
Note
The RS-485B corresponds to serial port 7, connecng to QR code scanner by default.
The R
S-485D corresponds to serial port 5, connecng to card reader by default.
The RS-232B corresponds to serial port 3, connecng to ngerprint scanner by default.
4.3.5 Card Reader Board Terminal Descripon
The card reader board can be connected to the access control board via RS-485 or USB interface.
The pictur
e above shows the card reader with an RS-485 interface.
DS-K3B220X Series Swing Barrier User Manual
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