求翻译：8）接口：1路标准的RS232串行通信接口（抗15KV静电冲击），可直接与电脑或文本显示器等外设通信；可直接通过RS232接口下载程序，无需烧录器，方便程序修改、升级；是什么意思？

8) interface: 1 channel standard RS232 serial communication interface (15KV electrostatic shock resistance), you can communicate directly with peripherals such as computer monitors or text; you can download the program directly through the RS232 interface without the recorders, easy program to modify, upgrade;