HIKVISION DS-K3G501X-R-M-DM55 - 4.4.3 Main Optional Board Terminal Description

Note
●
RS-485A corresponds to UART 5 on web and is for QR code
scanner connecon at entrance by default; RS-485C
corresponds to UART 7 on web and is for card reader
connecon at entrance by default.
●
The SOC and MCU serial port are for maintenance and
debugging use only.
●
Press the Reset buon for 5 s and the device will start to
restore to factory
sengs.
The wiring diagram of extended interface of access control board
is shown as follows.
Figure 4-3 Wring Diagram of BUS3 Interface
Note
RS-232A corresponds to UART 1 on web.
4.4.3 Main Oponal Board Terminal Descripon
The main oponal board contains the sub-1G antenna interface,
loudspeaker interface, debugging port, Wiegand/exit
buon
interface, 5 VDC output and communicaon interface.
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