USBH232-MM2U Dual RS232 Adapter with 2-Port USB Hub (PL2303)

Name: USBH232-MM2U Dual RS232 Adapter with 2-Port USB Hub (PL2303)
Brand: Tittron
SKU: USBH232-MM2U

No.USBH232-MM2U

The Tittron USBH232-MM2U USB To RS232 Adapter is a compact and integrated USB Serial Hub designed for industrial and multi-device environments. It combines Dual Independent RS232 Ports with a built-in USB 2.0 Hub, reducing hardware complexity while improving system stability and port efficiency. With Independent Controllers, Real-Time LED Indicators, and a Durable Metal Enclosure, it ensures reliable performance for system integration, industrial control, and device development across Windows, Linux, And macOS.

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The Tittron USBH232-MM2U USB To RS232 Adapter is a professional USB Serial Hub designed for industrial and multi-device connectivity applications. This Multi-Port Serial Adapter integrates 2 X Independent RS232 serial ports and a 2-Port USB 2.0 Hub into a single device, providing a structured and efficient solution for connecting multiple serial devices and USB peripherals to one host system. Compared to conventional setups using multiple USB to serial converters together with external USB hubs, this integrated solution Reduces Hardware Complexity, minimizes connection points, and improves overall system stability while optimizing USB port usage in industrial environments. Each RS232 port operates on an Independent Controller Architecture, ensuring reliable dual serial communication without bandwidth sharing. This Dual RS232 USB Adapter supports Parallel Workflows, allowing one device to be controlled while another is monitored or debugged simultaneously. It is suitable for industrial control systems, device development, POS system integration, and system integration scenarios where stable multi-port serial communication is required. The independent design ensures consistent performance under continuous operation. Per-port TX / RX / Power LED Indicators provide real-time visibility of communication activity, enabling faster diagnostics and reducing troubleshooting time during installation, maintenance, and system testing in professional environments.

The integrated USB 2.0 Hub provides USB expansion capability, allowing additional peripherals such as USB dongles, storage devices, or input tools to be connected directly. In device-dense environments, this built-in USB hub Eliminates The Need For External USB Expansion, reduces cable complexity, and lowers the number of potential failure points. It also enables a more consolidated interface structure, making this USB serial hub suitable for system integrators managing multiple device types within a single workstation or industrial control unit. The device features a Durable Metal Enclosure to enhance mechanical strength and improve resistance to electromagnetic interference, making this Industrial USB To RS232 Adapter suitable for demanding environments. A USB Type-B Interface is used for both power and data transmission, ensuring a secure and stable connection in long-term operation. Compatible with Windows, Linux, And macOS, this dual RS232 USB converter supports flexible integration into a wide range of industrial systems, automation equipment, and professional applications.

■ 2 x Independent DB9 RS232 Ports – Dedicated chip per port for stable communication
■ 2 x 9-Pin RS232 Ports (Male) – Connect multiple devices simultaneously
■ Integrated 2-Port USB 2.0 Hub
■ LED Indicators – TX/RX/PWR for each port
■ No I/O or IRQ Required – Plug-and-play
■ High-Speed Serial – Up to 921.6 Kbps
■ 512-Byte FIFO Buffer – Efficient data transfer
■ Multiple Data Formats – Odd/Even/Mark/Space/None parity, 5–8 data bits
■ USB Bus-Powered – No external power needed
■ Cross-Platform – Windows, macOS, Linux