HL-340 USB Serial Port to Nine Serial Lines – RS232 Support for Windows 7-64

The HL-340 USB Serial Port to Nine Serial Lines is a versatile USB to RS232 adapter designed to connect multiple serial devices to a computer via USB. This compact device supports up to nine serial lines, allowing users to interface with legacy RS232 equipment. Featuring USB1.1/2.0 compliance, built-in data buffers, and full-speed USB data transmission, this adapter is ideal for industrial systems, development environments, and embedded solutions.

Key Features

• Converts USB to RS232, supporting up to nine serial lines

• USB1.1/2.0 compliant for high compatibility and performance

• Built-in 128-byte TX and 512-byte RX buffer for smooth data flow

• Supports full-speed USB data transfer protocol

• Plug-and-play installation with auto-handshake protocol support

• Broad OS compatibility including legacy systems and 64-bit Windows

Technical Details

• Product Name: HL-340 USB Serial Port to Nine Serial Lines

• Interface Type: USB to RS232 (DB9 serial interface)

• Number of Serial Lines: 9

• Chipset: HL-340

• USB Compatibility: USB 1.1 / USB 2.0 compliant

• Data Buffers: 128-byte TX / 512-byte RX built-in buffer

• Communication Support: Auto-handshake protocol

• Data Transfer Rate: Up to 115200 bps

• Supported Operating Systems:

  • Windows 95 / 98 / 98SE / ME / 2000

  • Windows XP / Vista

  • Windows 7 (32-bit and 64-bit)

• Connector: USB Type A to DB9

• Power Supply: USB powered (no external power needed)

• LED Indicators: Power and data transmission status

• Cable Length: Approx. 1 meter

• Weight: Approx. 50g

Applications

• Industrial automation systems

• Serial device programming and testing

• Connecting modems, barcode scanners, and point-of-sale systems

• Debugging embedded systems and microcontrollers

• Converting legacy serial interfaces to USB

• Ideal for engineers, developers, and technical professionals

Why Choose the HL-340 USB Serial Port?

The HL-340 USB Serial Port offers a dependable, plug-and-play solution for interfacing USB-enabled computers with multiple RS232 serial devices. With robust driver support, automatic handshaking, and buffer management, this adapter ensures stable and efficient communication. Whether for industrial tasks or hobbyist projects, the HL-340 is a cost-effective and powerful connectivity tool.

Package Includes

• 1 x HL-340 USB Serial Port to Nine Serial Lines Adapter