ʻO ka transceiver optical PDH (Plesiochronous Digital Hierarchy, quasi-synchronous digital series) he mea hoʻohana liʻiliʻi o ka optical transceiver, maʻamau i hui pū ʻia, i kapa ʻia hoʻi nā noi point-to-point, a ʻo ka mana maʻamau ʻo 4E1, 8E1, 16E1.A laila, e hoʻolauna ʻo JHA TECHNOLOGY i ka advan ...
Heluhelu hou aku