Ẹrọ yii jẹ ẹrọ itẹsiwaju ti Ethernet, lilo nẹtiwọki (PDH / SDH / Microwave) ti o pese ikanni G.703 lati ṣe aṣeyọri agbegbe ati isakoṣo Ethernet latọna jijin pẹlu awọn atọkun tẹlentẹle ni iye owo kekere.
G.703 (Co-Directional G.703) ni wiwo pin 64Kbps ọmọ sinu 4 kuro arin, o nlo“0101” duro “0”, “1100” duro “1″.Nipa alternating transformation polarity ti awọn nitosi Àkọsílẹ, alakomeji awọn ifihan agbara iyipada mẹta-ipele awọn ifihan agbara.
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