
PCI Card USB 2.0 4 Ports
4 additional RS232 port connections (DB9)
256-byte transmit, FIFO (First in first out)
We seize the opportunity of the RS232 USB Cables Balances Scales, SMA SSMB RG174 Cable, MIDI TO 3.5MM Cable industry, firmly implement the "innovation" drive, "service" drive, into the global competition. We improve our working style and strive to improve our ability to manage the market, improve our ability to cope with the complex environment and improve our ability to sustain development. Our qualify products have good reputation from the world as its most competive price and our most advantage of after-sale service to the clients. We rely on perfect service, first-class technology, advanced management, and constantly develop new products, and strive to provide more customers with more quality and perfect service.
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 aim to find out quality disfigurement from the production and supply the best service to domestic and overseas customers wholeheartedly for PCI Card USB 2.0 4 Ports. Over the years, we have continued to innovate in management mechanisms, technology and quality, marketing models, operating methods, corporate culture, etc., and have achieved impressive results. Our company has established and improved the rules and regulations of various tests and tests, and clarified the division of responsibilities.
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