- 數(shù)字接入與交叉連接系統(tǒng)
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digital access and cross-connect system中文什么意思
例句與用法
- Digital access and cross - connect system
數(shù)字接入與交叉連接系統(tǒng) - The tandem switch must first be connected to the transmission equipment providing 2 mbs ports and to the transmission equipment in other tandem area via high - speed ( e . g . 10 gbs ) transmission equipment , and then to digital access and cross - connect system ( dacs ) . it is further connected to the corresponding sdh sub - ring after the vc - 12 level cross - connection carried out by the dacs and finally reaches the end exchange
匯接交換機(jī)首先需要連接到提供2mbs端口的傳輸設(shè)備，而后經(jīng)高速率的傳輸設(shè)備（如10gbs ）到達(dá)其它匯接區(qū)的傳輸設(shè)備上，再接入到交叉連接設(shè)備（ dacs ）上，經(jīng)dacs進(jìn)行vc - 12級別的交叉連接，接到各個(gè)相應(yīng)的sdh子環(huán)中，最終到達(dá)端局交換機(jī)。