Connect the RS232 null modem cable to the serial port of the receiver. Plug the USB side of your adapter into your PC. Step 2: Identify your COM Port Right-click the Windows Start menu and open . Expand the Ports (COM & LPT) section.
Plug the receiver into its power source, but leave its physical power switch in the position (or keep the power cable unplugged if there is no switch). Step 2: Configure the Software
This specific cable crosses the transmit and receive lines to allow two devices to communicate.
The ALiRS232 Upgrade Tool V1.20 is a software utility designed to upgrade and configure ALi (Asia Laboratory Inc.) devices, specifically those utilizing the RS232 interface. This tool enables users to update firmware, configure device settings, and troubleshoot issues with ALi-based devices. The software is widely used in various industries, including laboratory equipment, medical devices, and industrial automation. alirs232upgradetoolv120 downloader full top
: If your software crashes or hangs instantly, your assigned COM port index likely shifted. Re-verify the active port layout inside your Windows Device Manager.
Note the number assigned to your adapter (e.g., COM3 ). If a yellow exclamation mark is visible, reinstall your Prolific or FTDI drivers. Step 3: Configure the Ali Upgrade Tool
Re-verify your port assignment under Device Manager. Swap the TX and RX pins if using a custom wire setup. High data transmission interference or fluctuating power. Connect the RS232 null modem cable to the
Flashing firmware carries inherent risks. Always backup your channel lists before attempting an upgrade if the box is still semi-functional. Ensure your PC is connected to an Uninterruptible Power Supply (UPS) to prevent data corruption during power fluctuations, and never attempt to load firmware designed for a different hardware revision, even if the outer receiver casing looks identical.
Download the exact, official firmware .abs or .bin file matching your specific receiver model.
Click the Next button on the tool, then immediately power on your receiver. Expand the Ports (COM & LPT) section
Choose "allcode+bootloader" for a full system refresh.
The Ultimate Guide to Ali RS232 Upgrade Tool v1.2.0: Full Downloader Guide
Specifically designed to work over RS232 protocols (COM ports) [1].