进口6GK5798-0SN00-0EA0厦门彬硕.钟18906032285.3267773932交换机形象的说明了半双工的原理。早期的对讲机、以及早期集线器等设备都是实行半双工的产品。随着技术的不断进步，半双工会逐渐退出历史舞台6GK5734-1FX00-0AB06GK5734-1FX00-0AB66GK5738-1GY00-0AA06GK5738-1GY00-0AB06GK5748-1FC00-0AA06GK5748-1FC00-0AB06GK5748-1GD00-0AA06GK5748-1GD00-0AB06GK5750-2HX01-1AA06GK5750-2HX01-1AB06GK5750-2HX01-1AD06GK5761-1FC00-0AA06GK5761-1FC00-0AB06GK5774-1FX00-0AA06GK5774-1FX00-0AB06GK5774-1FX00-0AC06GK5774-1FY00-0TA06GK5774-1FY00-0TB06GK5778-1GY00-0AA06GK5786-1FC00-0AA06GK5786-1FC00-0AB06GK5786-2FC00-0AA06GK5786-2FC00-0AB06GK5786-2FC00-0AC06GK5786-2FC00-1AA06GK5786-2FC00-1CA06GK5786-2FE00-0AA06GK5786-2FE00-0AB06GK5786-2FE00-1AA0)