B+B SmartWorx USO9ML2-LS-A USB to RS-232 Converter with Locked Serial Number
Who It's For & Why It's Great
The USO9ML2-LS-A USB to RS-232 converter is engineered for industrial and commercial applications requiring reliable device identification and consistent COM port assignment. This RS-232 DB9 male converter delivers stable serial communication with a locked serial number feature, ensuring repeatable connections across system reboots and device swaps. Perfect for legacy equipment integration, PLC connectivity, and mission-critical serial applications where isolation and reliability are non-negotiable.
Key Features
- Locked serial number for consistent device identification and repeatable COM port assignment
- RS-232 DB9 male connector for direct legacy equipment compatibility
- USB 2.0 interface with high-speed data transfer capability
- Supports data rates up to 460.8 kbps on RS-232 side
- Supports up to 12 Mbps on USB side for optimal throughput
- Industrial-grade design for commercial and harsh environments
- Reliable isolation for sensitive serial applications
- Plug-and-play installation with standard drivers
Technical Specifications
| Specification |
Details |
| Manufacturer |
B+B SmartWorx (Advantech) |
| Model Number |
USO9ML2-LS-A |
| Part Number |
BB-USO9ML2-LS-A |
| Serial Connector |
RS-232 DB9 Male |
| USB Interface |
USB 2.0 |
| RS-232 Data Rate |
Up to 460.8 kbps |
| USB Data Rate |
Up to 12 Mbps |
| Serial Number |
Locked for consistent identification |
| Application |
Industrial, Commercial, Legacy Equipment Integration |
| Features |
Device isolation, repeatable COM port assignment |
Frequently Asked Questions
What is a USB to RS-232 converter used for?
A USB to RS-232 converter bridges modern computers lacking serial ports to legacy RS-232 devices like industrial controllers, modems, and measurement equipment. The USO9ML2-LS-A specifically provides locked serial number functionality for applications requiring consistent device identification across multiple connections.
Why does the locked serial number matter?
The locked serial number ensures your converter maintains the same device identifier every time it connects, enabling reliable COM port assignment and eliminating configuration drift in industrial automation and critical systems.
Is the USO9ML2-LS-A compatible with modern operating systems?
Yes, this RS-232 DB9 male converter works with Windows, Linux, and macOS via standard USB drivers, making it ideal for integrating legacy serial equipment into contemporary IT infrastructure.
What data rates does this serial converter support?
The USO9ML2-LS-A supports RS-232 data rates up to 460.8 kbps and USB speeds up to 12 Mbps, providing ample bandwidth for most industrial serial applications and real-time data acquisition.
