USBH232-MF2U | Dual RS232 Adapter with 2-Port USB Hub
No.USBH232-MF2U
The Tittron USBH232-MF2U is an industrial USB serial hub integrating 2 independent RS232 ports and a built-in 2-port USB 2.0 hub. Each RS232 channel adopts a standalone controller for parallel operation, supporting simultaneous control and monitoring of two serial devices. It reduces hardware complexity and cable clutter for stable 24/7 operation in industrial control, hardware development and POS systems. Featuring TX/RX/power status LEDs, a rugged metal enclosure with EMI resistance, and a USB Type‑B port for data and power, this adapter works with Windows, Linux and macOS to simplify integration of serial devices and USB peripherals.
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Incoterms® 2020 Applies to all Tittron B2B orders.
Overview — USBH232-MF2U | Dual RS232 Adapter with 2-Port USB Hub
The Tittron USBH232-MF2U is a professional-grade USB serial hub built for industrial automation and multi-device serial connectivity. This all-in-one multi-port serial adapter integrates 2 independent RS232 serial ports and a 2-port USB 2.0 hub into one rugged housing, offering a streamlined and reliable solution to connect multiple RS232 serial devices and USB peripherals to a single host PC. Replacing the need to stack separate USB-to-serial converters and standalone USB hubs, this integrated adapter reduces hardware complexity, cable connections and potential failure points to enhance system stability in industrial deployments. Each RS232 channel uses an independent controller, enabling both serial ports to run fully in parallel without bandwidth sharing, supporting simultaneous control and monitoring of two separate serial devices. It is widely used for industrial control, hardware development, POS integration and other projects requiring stable multi-port serial communication, with an isolated per-port design that sustains reliable 24/7 continuous operation.
Featuring per-port TX, RX and power LED indicators, the Tittron USBH232-MF2U provides real-time visibility of serial data flow to simplify diagnostics and speed up troubleshooting during installation, field maintenance and system testing. Its onboard USB 2.0 hub delivers extra USB expansion for dongles, flash drives and input peripherals, removing the need for additional external hubs and minimizing messy cabling within control cabinets and dense workstations. Equipped with a robust metal enclosure, this industrial converter provides solid mechanical protection and strong EMI resistance to cope with tough industrial environments. The USB Type‑B port handles both data transfer and power supply for dependable long-term connections. Fully compatible with Windows, Linux and macOS, this dual RS232 USB adapter supports flexible integration with industrial automation hardware, embedded systems and professional serial communication applications.
What stands out — USBH232-MF2U | Dual RS232 Adapter with 2-Port USB Hub
- ■ 2 Independent RS232 Serial Ports plus integrated 2-Port USB 2.0 Hub, all-in-one USB serial hub design.
- ■ Dedicated independent controller for each RS232 port, supporting parallel serial communication without bandwidth sharing.
- ■ Rugged metal housing with EMI protection, built to withstand demanding industrial environments.
- ■ Per-port TX/RX/Power LED indicators for real-time status monitoring and fast on-site troubleshooting.
- ■ USB Type-B interface for simultaneous data transmission and power supply, ensuring long-term stable connection.
- ■ Cross-platform compatibility: Windows, Linux and macOS for flexible system integration.
- ■ Well suited for industrial control, POS deployment, hardware device debugging and system integration projects.
- ■ Eliminates extra adapters and external hubs to reduce cable clutter and lower potential hardware failure points.
Technical specifications — USBH232-MF2U | Dual RS232 Adapter with 2-Port USB Hub
- Interface
- ■ Input: 1 x USB Type-B
- ■ Output: 1 x RS232 9-pin D-Sub (Male) / 1 x RS232 9-pin D-Sub (Female)
- ■ Supported Standards: USB 2.0 / 1.1, RS232
- ■ Bus Type: USB 2.0
- ■ Chipset: PL2303-GC
- Serial Communication
- ■ Protocol: RS-232
- ■ Max Baud Rate: 921.6 Kbps
- ■ Data Bits: 5, 6, 7, 8
- ■ Stop Bits: 1, 1.5, 2
- ■ Parity: Even, Odd, None, Space, Mark
- ■ FIFO Buffer: 512 Bytes
- Indicators
- ■ Serial Port LEDs: 3 x LEDs for Serial Ports (TX, RX, PWR)
- ■ USB LEDs: 3 x USB LEDs
- Power
- ■ Power Source: Bus-Powered (no external power required)
- Compatibility
- ■ Windows: 10, 11, 11 ARM
- ■ macOS: 10.9 – 10.15, 11.0, 12.0, 13.0, 14.0, 15.0, 16.1
- ■ Linux: 4.15.x and up (LTS versions only)
- Physical Properties
- ■ Housing Material: Plastic
- ■ Dimensions: —
- ■ Cable Length: Detachable Design
- ■ Net Weight: —
- ■ Operating Temperature: 0°C – 40°C
- ■ Storage Temperature: -20°C – 60°C
- ■ Humidity: 0 – 80% RH (non-condensing)
- MOQ: 500 pcs
- Lead time: 25 days
- Warranty: 24 months
- Certification: CE · FCC · RoHS
- OEM / ODM: Supported
DOWNLOAD — USBH232-MF2U | Dual RS232 Adapter with 2-Port USB Hub
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Frequently asked questions
What is the Tittron USBH232-MF2U?
The Tittron 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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