光开关、波分复用器、光电收发器、协议转换器、低成本宽带接入方案、电子电缆等通信产品；

Light switcher, WDM, photoelectric transceiver, protocol converters, low-cost broadband solutions and other electronic and communication products;

youdao

光开关、波分复用器、光电收发器、协议转换器、低成本宽带接入方案、电子电缆等通信产品；

Light switcher, WDM, photoelectric transceiver, protocol converters, low-cost broadband solutions and other electronic and communication products;

youdao