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在用USB端口连接电脑外设或组建网络时,需要用到USB线。市场上的USB线大致可分为以下三个类别:第一类专用于连接电脑与外设;第二类是双机对拷线、联网线;还有一类是延长线。 第一类USB线:根据插头的形状可再分为两种:一种线的两端均为最常见的扁口插头(如图1),另一种线的一端是扁口插头,另一端为方口(如图2)。这类线的生要用途是用于连接电脑与外设,如扫描仪、打印机、USB HUB等。 此外,许多用于数据备份和移动交换的USB外置硬盘盒与电脑进行连
When using a USB port to connect a computer peripheral or network, a USB cable is required. USB lines on the market can be broadly divided into the following three categories: the first category dedicated to connecting computers and peripherals; the second category is double to copy lines, networking lines; there is an extension cord. The first type of USB cable: According to the shape of the plug can be further divided into two types: one is the most common line at both ends of the flat plug (Figure 1), the other end of the line is a flat plug, the other end For the mouth (Figure 2). The purpose of this type of cable is to connect computers and peripherals such as scanners, printers, USB HUBs and the like. In addition, many USB external hard disk enclosures for data backup and mobile switching are connected to the computer