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光端机与光终端的区别
其实光端机也算是光的终端，，因为光信号到光端机这里以后就转化成别的信号了。但是光终端不一定只是光端机。光端机就是将多个E1（一种中继线路的数据传输标准，通常速率为2.048Mbps，此标准为中国和欧洲采用）信号变成光信号并传输的设备（它的作用主要就是实现电-光和光…
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