USB to RS232 Box Scanner Adapter for Barcode Scanners and Serial Devices
The Mlink DP9291 USB to RS232 Box Scanner Adapter is a practical solution for connecting legacy RS232 serial devices to modern computers equipped with USB ports. Built around the reliable Prolific PL2303GT chipset, this adapter is commonly used with barcode scanners while also supporting a wide range of other RS232 peripherals, including receipt printers and PLCs. Its stable communication, broad operating system compatibility, and secure DB9 connection make it a dependable choice for commercial and industrial environments.
The Mlink DP9291 USB to RS232 adapter enables seamless communication between USB-equipped computers and RS232 serial devices. Designed with the trusted Prolific PL2303GT chipset, it delivers dependable serial connectivity, supports high data transfer speeds, and works with a variety of operating systems. Whether you are connecting a barcode scanner, receipt printer, or industrial controller, this adapter provides a simple and effective solution for maintaining compatibility with legacy hardware.
Ideal Applications
Whether you need to connect older serial equipment to a new desktop or laptop, the Mlink DP9291 offers reliable performance for a variety of devices. It is especially suited for:
The adapter includes screw-lock nuts on the DB9 connector to help maintain a secure and stable connection, even in busy working environments.
Technical Details
Compatibility
The Mlink DP9291 USB to Serial Adapter supports a wide range of operating systems, making deployment straightforward across different platforms.
Supported operating systems include:
Driver installation is generally required before first use.
Why Choose the Mlink DP9291
Designed for dependable serial communication, the DP9291 combines broad compatibility with robust hardware construction. Its Prolific PL2303GT chipset, secure DB9 connector, and support for high-speed serial communication make it an excellent choice for businesses and technicians who rely on legacy RS232 equipment. Whether used with barcode scanners, POS hardware, or industrial devices, the Mlink DP9291 delivers a reliable USB to RS232 connectivity solution.
| ©2026 Respective owners and brand holders. This table has been carefully researched and generated by ComXpert International CC (//www.comx-computers.co.za), however, errors and omissions may occur. Only references to South Africa apply. All products are sourced in South Africa from the official suppliers and the warranty is that of the local supplier. E&OE. This table and our site's content may be used on condition that this notice and link remains intact and unaltered. | |
Specifications![]() | |
| Product Code | DP9291![]() |
| Chipset | Prolific PL2303GT |
| Connectors | 1 x USB Type-A (Male), 1x DB-9 (9 pin, D-Sub) Serial (Male) |
| Maximum Baud Rate | Up To 921.6 |
| FIFO | 512 Byte |
| Data Bits | 5, 6, 7, 8 |
| Parity Modes | Odd, Even, Mark, Space, None |
| Flow Control | None, CTS/RTS, DSR/DTR, XON/XOFF |
| Environmental | Operating Temp: 0degreesC to 60degreesC (32degreesF to 140degreesF) |
Sold by ComX Computers