深圳視頻光端機(jī)廣州銀訊廠家直銷價(jià)格實(shí)惠。視頻光端機(jī)在中國(guó)的發(fā)展是伴隨著監(jiān)控發(fā)展開(kāi)始的，視頻光端機(jī)就是把1到多路的模擬視頻信號(hào)通過(guò)各種編碼轉(zhuǎn)換成光信號(hào)通過(guò)光纖介質(zhì)來(lái)傳輸?shù)脑O(shè)備，又分為模擬光端機(jī)和數(shù)字光端機(jī)。模擬光端機(jī)模擬光端機(jī)采用了PFM調(diào)制技術(shù)實(shí)時(shí)傳輸圖象…
