You can set the access control device's RS-485 parameters including the baud rate, data bit, the stop bit, parity type, flow control type, communication mode, work mode, and connection mode.

1. Enter the Access Control module.
2. On the navigation bar on the left, enter Advanced Function > More Parameters.
3. Select an access control device in the device list and click RS-485 to enter the RS-485 Settings page.
4. Select the serial port number from the drop-down list to set the RS-485 parameters.
5. Set the baud rate, data bit, the stop bit, parity type, communication mode, working mode, and connection mode in the drop-down list.
6. Click Save.

   • The configured parameters will be applied to the device automatically.

   • After changing the working mode or connection mode, the device will reboot automatically.