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AJMRTC Industrial USB To TTL (C) serial cable is a reliable USBC to UART TTL conversion tool powered by FT232RNL chip, designed for embedded debugging, firmware flashing and industrial serial communication tasks. Integrated multiprotection circuits offer ESD, overvoltage and overcurrent defense to avoid burnout caused by miswiring or unstable power supply. The 6pin terminal provides full access to TX, RX, VCC, GND, RTS and CTS signals, making it easy to connect with singlechip microcomputers, sensor modules and industrial control units. This serial adapter works outofbox under mainstream operating systems such as Windows, Linux, Raspberry Pi OS and macOS. The antiinterference shielded cable ensures clean signal output even in noisy industrial environments. It is widely used for hardware debugging, IoT prototyping, device maintenance and firmware upgrade work. Please confirm correct wiring sequence before poweron to prevent component damage.