Serial Upgrade - Ebyte NB124E User Manual

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5.5.2 Serial upgrade

Only channel 1 (that is, serial port 1, which can use RS232 interface/RS485 interface/RS422
interface) supports the use of serial port for upgrading. When the network upgrade fails or the
network environment is complicated, it is recommended to use the serial port for upgrading;
Step 1: Make sure the device is powered off and connect to serial port 1 correctly;
Step 2: Open the "亿佰特网络配置工具", select "Serial Port Upgrade Assistant" under the
"Menu" option, select the corresponding serial port and click "Open Serial Port";
Step 3: Select the firmware to be used, which needs to be obtained from the "Related
Downloads" of the corresponding product details on the official website (www.cdebyte.com). The
demo firmware is not provided on the official website;
Step 4: Click "Start Upgrading", press the button Reload of NB124E and then turn on the power
of the device, wait for the firmware upgrade to complete, click "Cancel" to end the serial port
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