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最近,宽带公司在小区贴出公告,可以将家庭宽带免费升级为20兆光纤宽带,也就是我们通常听到的光纤到户。可是,为什么宽带改为光纤宽带叫升级呢?看来光纤宽带必定能更进一步地提升上网速度。下面我们就一起来了解一下光纤通讯。简单来说,光纤通讯就是利用光与光纤进行信息交换,是光通信的一种形式。人类利用光通信的历史可谓久远,古代人利用烽火传
Recently, broadband companies posted an announcement in the district that they could upgrade their home broadband to 20 megabits per second (FTTH) for free, which is what we commonly hear about FTTH. However, why broadband to fiber broadband is called upgrade? It seems that fiber broadband will be able to further enhance the speed of access. Let’s take a look at the fiber optic communications. Simply put, optical fiber communication is the use of optical and optical information exchange, is a form of optical communications. The history of human use of optical communication can be described as far away, the ancient people use flames of fire