Qinhuangdao Qianmu Electronics USB-RS232 Converter User Manual

About this manual

The USB‑RS232 converter features a USB 2.0 interface that emulates a serial port and a standard 9‑pin RS232 D‑sub connector. It draws power directly from the USB port, so no external power supply is needed.

The manual explains how to install the driver: connect the device, let Windows detect new hardware, run the installation wizard, browse to the driver folder, and complete the steps. It also includes the bundled serial‑port debugging software and contact details for technical support. This manual is written in Chinese.

What's inside

• Product Features
• Product Images and Interface Description
• Driver Installation Process
• Included Serial Port Debugging Software
• Technical Support and Contact Information

Specifications

Frequently asked questions

What type of RS232 connector does the converter have?

It uses a standard 9‑pin D‑sub RS232 connector.

Does the converter require an external power supply?

No, the USB port supplies power directly to the converter.