USB-CABLE is a programming cable that uses the USB interface to establish a serial connection and convert peripheral port signals. Programming is performed via the USB interface connector and a serial peripherals signal converter, under computer control, simulating the computer’s USB-to-serial (commonly referred to as COM port) functionality. This enables compatibility with standard programming, communication, and monitoring software. Power for the cable is supplied by the USB port and the controller’s programming port. The USB-CABLE features optical isolation, making it suitable for use with controllers—especially in industrial environments with high electromagnetic interference where communication ports are prone to damage. Comprehensive circuit protection ensures safe and reliable system operation. This cable replaces the bulky first-generation adapter design with a modern, compact form factor featuring a built-in high-speed communication integrated chip and a 6-pin square connector on one end. It offers improved portability and enhanced functional stability. Purpose: Designed for serial programming applications. Length: 3 meters. Please verify the required interface before ordering: PC-CABLE: PC side has a 9-pin female RS232 port; device side has a 6-pin square connector. USB-CABLE: USB-A port connects to the PC; device side has a 6-pin square connector. Color: Black. Material: PVC jacket with copper conductors. Package Contents: 1 x programming cable. Note: Color may vary slightly due to lighting and screen settings. Measurement tolerance: ±1–3 cm.