Awọn transceivers opiti le pin si awọn ẹka 3 gẹgẹbi imọ-ẹrọ: PDH, SPDH, SDH, HD-CVI.transceiver opiti PDH: PDH (Plesiochronous Digital Hierarchy, quasi-synchronous digital series) transceiver opitika jẹ transceiver opitika agbara-kekere, eyiti a lo ni gbogbo meji ni meji-meji, a...
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