AC-SiUTS2009
Sunix UTS2009b USB to 2x serial port (9pin) adapter
About this product
Buy the Sunix UTS2009b USB to 2 x RS232 serial port adapter with Moschip MCS7720 chipset, supporting stable 115 Kbps communication, 16 byte hardware FIFO, and 15KV ESD protection for reliable industrial connectivity. Shop now for a durable plug and play serial converter designed for legacy devices, automation systems, and professional communication setups in South Africa.
Overview Summary
Sunix UTS2009b USB to 2-Port RS232 Serial Adapter is a reliable connectivity solution designed to convert a single USB port into two RS232 DB9 serial interfaces. Built with the Moschip MCS7720 chipset, it ensures stable data transmission for legacy industrial equipment and communication systems.
This adapter supports data transfer speeds up to 115 Kbps and features 16 byte hardware FIFO buffering for improved data handling efficiency. With USB plug and play functionality, it eliminates the need for IRQ, DMA, or I/O configuration, making installation simple and fast across supported operating systems.
Designed for demanding environments, the Sunix UTS2009b includes 15KV ESD protection to safeguard connected devices against electrical surges. It is widely used for industrial automation, POS systems, laboratory instruments, and serial device integration.
What tier does this fall into?
Industrial GradeWhat is this best for?
Industrial automation, POS systems, serial device connection, laboratory equipment, embedded systemsOverview
Sunix's UTS2009B is an USB to RS-232 adapter which offers the user serial port connections. The port have a data transfer rate up to 120Kbps. Users are able to connect their serial devices through the adapter to the USB port on their system. The UTS series also support wake on line and power management function. It has dual data buffers for upstream and downstream data flow.
Description
The Sunix UTS2009b is a professional USB to RS232 serial adapter designed to provide stable and efficient serial communication between modern USB systems and legacy RS232 devices. Featuring a dual-port DB9 output, it enables simultaneous connection of two serial devices from a single USB interface.
Powered by the Moschip MCS7720 chipset, this adapter delivers consistent performance with low latency data transfer up to 115 Kbps. The integrated 16 byte hardware FIFO improves data flow stability, making it suitable for continuous industrial communication tasks.
The unit includes advanced 15KV ESD protection, helping safeguard connected equipment from static discharge and electrical interference. Its plug and play design ensures quick deployment without complex configuration, making it ideal for field technicians and system integrators.
Features
The Sunix UTS2009b is built for reliable and efficient serial communication in professional environments.
- USB to 2 x RS232 DB9 serial ports for dual device connectivity
- Moschip MCS7720 chipset for stable communication performance
- Data transfer rate up to 115 Kbps for legacy device support
- 16 byte hardware FIFO for improved data handling
- Plug and play USB installation with no IRQ or DMA setup required
- 15KV ESD protection for enhanced electrical safety
- Supports industrial, laboratory, and embedded system applications
What's in the Box
- 1 x Sunix UTS2009b USB to 2-Port RS232 Adapter
- 1 x USB connection cable (attached)
- User documentation
Specifications
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Specifications and features![]() | |
| Product Code | AC-SiUTS2009![]() |
| Type | USB to Serial cable |
| Chipset | Moschip MCS7720 |
| Interface | Universal Serial Bus (USB) |
| Mode | Hand-Shaking Communication |
| UART | 16C550 compatible |
| Connector | DB9M |
| Port | RS-232 2 Ports |
| FIFO | 16 byte hardware FIFO |
| BAUD RATE | 120 Kbps |
| O.S Support | Windows Vista/ XP/ 7/8.0/ 8.1/10 |
| Certified | CE, FCC, VCCI, BSMI |
FAQ
What is the Sunix UTS2009B used for?
The Sunix UTS2009B is used to connect serial RS-232 devices such as industrial machines, PLCs, and diagnostic tools to a computer via USB.
Does the adapter require external power?
No, the device is powered directly through the USB port and does not require an external power supply.
Is the Sunix UTS2009B compatible with modern operating systems?
Yes, it supports major operating systems including Windows, Linux, and Mac OS with appropriate drivers.
What is the maximum data transfer speed?
The adapter supports data transfer speeds of up to 115 Kbps for RS-232 communication.
Does it protect against electrical damage?
Yes, it includes 15KV ESD protection to safeguard connected devices from electrostatic discharge.

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