Gearmo 4 Port USB to RS232 Serial Adapter with FTDI Chipset – 4 Port, Black
Product Details

• 4 RS232 PORTS FROM ONE USB: Connect up to four DB9 serial devices to a single USB port. Ideal for POS systems, PLCs, CNC machines, lab equipment, barcode scanners, digital signage, and other RS232 devices.
• PLUG-AND-PLAY WITH NO CONFIGURATION: Designed for simple, reliable setup with automatic transmit/receive switching and built-in hardware flow control. Works seamlessly with Windows, macOS, and Linux using stable FTDI USB drivers. No external power required.
• HIGH-SPEED, FULL-COMPATIBILITY SERIAL: Supports data rates from 300 to 921,600 bps with automatic baud rate detection and full 9-wire signaling (RTS/CTS, DTR/DSR, RI) for proper handshaking and reliable connections.
• BUILT-IN STATUS LEDs: This RS232 adapter includes TX/RX and power LEDs provide real-time status monitoring. Integrated +/-15kV ESD and surge protection help safeguard equipment in demanding electrical environments.
• SHIELDED, INDUSTRIAL-GRADE DESIGN: Shielded RS232 to USB cable with a ferrite ring and DB9 screw-lock connectors ensures stable, noise-resistant connections. Industrial temperature rated -40C to 85C and 5–95% humidity for factory floors, control cabinets, and field installations.