Description
The Digifusion USB232H2 is a high-performance USB-A to RS-232 (DB9) serial adapter designed to facilitate stable data transmission between modern computing hardware and legacy peripherals. Featuring a 100cm cable and a robust internal chipset, this adapter supports programmable baud rates ranging from 75bps to 12Mbps, with a standard serial transfer rate of up to 1Mbps. It is powered directly via the USB bus, removing the need for external power supplies while maintaining compatibility across USB 3.1, 3.0, and 2.0 interfaces.
This product is for:
- Industrial Engineers: Professionals requiring stable connections to PLCs, CNC machinery, and industrial testing instruments.
- Retail and POS Operators: Businesses needing to link barcode scanners, receipt printers, and cash registers to modern point-of-sale terminals.
- IT Administrators: Technicians managing network switches, routers, and server consoles that utilize DB9 serial ports for configuration.
- Embedded Systems Developers: Engineers working with microcontrollers, FPGA boards, and debugging tools that rely on UART/RS232 communication.
- Legacy Hardware Users: Individuals maintaining older peripherals like digital cameras, modems, or specialized drawing tablets on contemporary operating systems.
Detailed specifications:
- Interface: USB-A (Male) to RS-232 DB9 (Male)
- Cable Length: 100 cm (approx. 3.3 ft)
- Transfer Rate: Up to 1 Mbps (Standard RS232); Programmable 75bps to 12Mbps
- Buffer: 256-byte outbound and inbound buffer
- Power Source: USB Bus-powered with suspend mode support
- Protocol Support: Automatic handshake protocol; software-configurable COM ports
- OS Compatibility: Windows 11/10/8.1/8/7/Vista/XP/2000, Windows Server 2008R2/2012/2012R2, Mac OS, and Linux
- GPIO Support: Up to 8 GPIO pins available
Integrating the Digifusion USB232H2 into a workflow is straightforward due to its plug-and-play architecture and broad driver support. The 100cm cable length provides sufficient reach for most workstation setups, whether connecting a laptop to a rack-mounted switch or a desktop to a floor-standing industrial sensor. During operation, the built-in 256-byte buffer minimizes data loss during high-speed transmissions, while the ability to manually assign COM port numbers via software ensures compatibility with older software packages that require specific port mapping such as COM1 or COM2.
Compared to standard generic serial adapters, the Digifusion USB232H2 stands out with its support for a wider range of baud rates and GPIO pin availability, making it more versatile for specialized engineering tasks. While basic adapters often struggle with driver stability on Windows 11 or Mac systems, this model maintains verified compatibility across the latest operating system versions. Its build quality and integrated shielding offer better protection against electromagnetic interference (EMI) than unbranded alternatives, which is critical in high-noise industrial environments.
Q&A:
- Does this adapter require an external power supply? No, the device is fully powered by the USB-A port and supports USB suspend mode for energy efficiency.
- Can I change the COM port number assigned to this device? Yes, users can manually configure the serial port settings, such as changing it to COM1 or COM2, through the operating system's device manager.
- Is this compatible with Windows 11? Yes, the USB232H2 supports a wide range of Windows versions, including Windows 11, 10, and legacy versions like XP and 2000.
- What types of devices can I connect with this RS232 cable? It is designed for barcode scanners, industrial instruments, modems, POS systems, digital cameras, and GPS units.
- Does it support hardware handshaking? Yes, the adapter supports automatic handshake protocols to ensure reliable data flow control between the computer and the serial device.
