Tha transceiver optigeach PDH (Plesiochronous Digital Rangachd, sreath didseatach leth-shioncronach) na transceiver optigeach le comas beag, mar as trice tagraidhean càraideach, ris an canar cuideachd tagraidhean puing-gu-puing, agus mar as trice is e an comas 4E1, 8E1, 16E1.An ath rud, bheir JHA TECHNOLOGY a-steach an adhartas ...
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