Ka taea te wehewehea nga transceivers optical ki nga waahanga 3 e ai ki te hangarau: PDH, SPDH, SDH, HD-CVI.PDH optical transceiver: PDH (Plesiochronous Digital Hierarchy, quasi-synchronous digital series) optical transceiver he iti-kaha te whakawhiti whatu, e whakamahia ana i te nuinga o te waa takirua, he...
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