
Temperature Screening Access Control with Face Recognition
4 additional RS232 port connections (DB9)
256-byte transmit, FIFO (First in first out)
Looking to the future, we will continue to develop steadily and form an industrial pattern featuring diversified industries, large-scale development, optimized management, and regionalized business. We firmly believe that we are your reliable supplier of CAT5e Right Angle Shielded Patch Cord, USB Serial Adapter FTDI Chip RS232 DB9, RS-422 to RS-232 Converter for Device! We constantly pursue the perfect quality and strive to provide customers with high-quality products, reasonable prices and perfect services. We recognize that companies must promote their own high-quality sustainable development by helping employees to realize their personal values. We integrate global high-quality resources and dedicate the best quality products and services to consumers.
The USB To 4 Port RS-232 Box is a versatile and reliable solution designed to meet the demanding connectivity needs of industrial and commercial applications. This compact and robust device features four RS-232 ports, offering seamless integration with a wide range of serial devices.
Specification
| Product name | USB to 4 ports RS-232 Box |
| IC | PL2303RA +FE1.1S |
| Interface 1 | USB2.0 BF (comes with a USB A to USB B cable) |
| Interface 2 | 4 port DB9 male RS232 connector |
| Shell material | Plastic |
| Data Transfer Rate | Up to 115.2 Kbps |
| Operating Temperature | -40°C to 85°C |
| ESD Protection | ±15KV |
| Compatibility | Windows, macOS, Linux |
| Power Supply | USB bus-powered |
| Advantages | Easy saving space / money / time / working |
Features
- Four RS-232 Ports: Equipped with four RS-232 ports, this USB to 4 ports RS-232 box provides ample connectivity options for multiple serial devices simultaneously. Whether you're connecting modems, printers, barcode scanners, or other serial peripherals, this device has you covered.
- USB B Female Interface: The box features a USB B female interface on the top, allowing for easy connection to your computer via the included USB A to USB B cable. This user-friendly design simplifies setup and ensures hassle-free operation.
- Compact and Durable Design: With its compact form factor and durable construction, this USB to 4 port RS-232 adapter is built to withstand the rigors of industrial environments. Its rugged design ensures reliable performance even in harsh conditions.
FAQ
Q: What is the maximum data transfer rate for each RS-232 port?
A: Each RS-232 port supports data transfer rates of up to 115.2 Kbps.
Q: Does this USB to 4 port RS-232 adapter require an external power source?
A: No, this adapter is USB bus-powered and does not require an external power source.
Q: Does this RS232 hub offer ESD protection for the RS-232 ports?
A: Yes, each RS-232 port has ±15KV ESD protection to safeguard against electrostatic discharge.

We turn our attention to market needs and continuously design and optimize our Temperature Screening Access Control with Face Recognition and even the entire production process to meet these needs. We strive to become the first choice and best partner of consumers and corporate customers, and become a well-loved brand by consumers. We adhere to the three concepts of integrity, trustworthiness and trust to provide services to customers and achieve a win-win situation with customers.
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