USBH232-MF2U Dual RS232 Adapter with 2-Port USB Hub (PL2303)

USBH232-MF2U Dual RS232 Adapter with 2-Port USB Hub (PL2303)

No.USBH232-MF2U

The flykantech.com USBH232-MF2U 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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Overview — USBH232-MF2U Dual RS232 Adapter with 2-Port USB Hub (PL2303)

The flykantech.com USBH232-MF2U 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.

What stands out — USBH232-MF2U Dual RS232 Adapter with 2-Port USB Hub (PL2303)

  • ■ 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

Technical specifications — USBH232-MF2U Dual RS232 Adapter with 2-Port USB Hub (PL2303)

ModelUSBH232-MF2U
Interface
Input1 x USB Type-B
Output1 x RS232 9-pin D-Sub (Male) / 1 x RS232 9-pin D-Sub (Female)
Supported StandardsUSB 2.0 / 1.1, RS232
Bus TypeUSB 2.0
ChipsetPL2303-GC
Serial Communication
ProtocolRS-232
Max Baud Rate921.6 Kbps
Data Bits5, 6, 7, 8
Stop Bits1, 1.5, 2
ParityEven, Odd, None, Space, Mark
FIFO Buffer512 Bytes
Indicators
Serial Port LEDs3 x LEDs for Serial Ports (TX, RX, PWR)
USB LEDs3 x USB LEDs
Power
Power SourceBus-Powered (no external power required)
Compatibility
Windows10, 11, 11 ARM
macOS10.9 – 10.15, 11.0, 12.0, 13.0, 14.0, 15.0, 26.1
Linux4.15.x and up (LTS versions only)
Physical Properties
Housing MaterialPlastic
Dimensions—
Cable LengthDetachable Design
Net Weight—
Operating Temperature0°C – 40°C
Storage Temperature-20°C – 60°C
Humidity0 – 80% RH (non-condensing)
Lead time25 days
Warranty24 months
CertificationCE · FCC · RoHS
OEM / ODMSupported

DOWNLOAD — USBH232-MF2U Dual RS232 Adapter with 2-Port USB Hub (PL2303)

Datasheets, drivers and firmware for this model are not published yet. Contact our team and we will send the files you need.

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Frequently asked questions

What is the FlykanTech USBH232-MF2U?

The FlykanTech USBH232-MF2U is a professional Dual RS232 USB Adapter with an integrated 2-Port USB 2.0 Hub. It allows users to connect two RS232 serial devices and additional USB peripherals to a single computer through one USB connection.

What makes this Dual RS232 USB Adapter different from a standard USB to RS232 converter?

Unlike standard single-port USB serial adapters, the USBH232-MF2U provides two independent RS232 ports plus two USB 2.0 expansion ports in one compact device. It helps reduce cable clutter and simplifies connections for industrial, commercial, and development applications.

What devices can be connected to the USBH232-MF2U?

The USBH232-MF2U can connect RS232 serial equipment such as industrial controllers, PLC systems, barcode scanners, POS terminals, CNC machines, laboratory instruments, and embedded development devices. The additional USB ports can be used for compatible USB peripherals.

Does the USBH232-MF2U support industrial applications?

Yes. The USBH232-MF2U is designed for professional and industrial environments requiring stable RS232 communication. It is suitable for automation systems, equipment maintenance, device testing, and serial communication applications.

Does this USB RS232 adapter require drivers?

Driver requirements depend on the operating system and installed chipset. After connecting the adapter, the computer will recognize the serial interfaces once the appropriate driver is installed if required.

Which operating systems are supported by the USBH232-MF2U?

The USBH232-MF2U supports commonly used operating systems including Windows, macOS, and Linux, providing flexible compatibility for different computer platforms and professional applications.

Can both RS232 ports work simultaneously?

Yes. The two RS232 ports are designed for independent serial communication, allowing users to connect and manage multiple RS232 devices at the same time.

Why does the USBH232-MF2U include LED indicators?

The integrated TX, RX, and power LED indicators provide real-time communication status monitoring, helping users quickly check power status and serial data transmission activity.

Is the USBH232-MF2U suitable for home users?

While it can be used for general RS232 connectivity, the USBH232-MF2U is mainly designed for engineers, technicians, system integrators, and users who need reliable multi-port serial communication.

What are the main advantages of the USBH232-MF2U?

The main advantages include dual RS232 connectivity, built-in USB 2.0 hub functionality, stable serial communication, LED status monitoring, durable enclosure design, and compatibility with various professional serial applications.

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