If your host system has no serial port, use a DB9-to-USB cable.
如果您的主机系统没有串行接口，使用DB 9 - to - USB电缆。
USB and serial computer connections.
USB和串行计算机连接。
As a new universal serial bus standard, USB is applied in many equipments.
USB作为一种新的通用串行总线标准，适用于多种设备。
USB is one of the most popular serial bus criterions.
USB是当前最流行的串行总线标准。
Universal serial Bus (USB) is similar to a serial port.
通用串行总线(usb)与串行口相似。
This is an example of the development of hardware, USB to Serial examples of...
这是一个硬件的开发实例，是US B到串口的轮换实例。
Interface - USB (Universal Serial Bus) 2.0 (High Speed) is recommended for best performance.
接口-USB(通用串行总线)2.0(高速)被推荐为最佳性能。
Interface - USB (Universal Serial Bus) 2.0 (High Speed) is recommended for best performance.
接口-USB(通用串行总线)2.0(高速)被推荐为最佳性能。
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