digital access and cross-connect system meaning in English
数字接入与交叉连接系统
Examples
- Digital access and cross - connect system
数字接入与交叉连接系统 - 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
汇接交换机首先需要连接到提供2mbs端口的传输设备，而后经高速率的传输设备（如10gbs ）到达其它汇接区的传输设备上，再接入到交叉连接设备（ dacs ）上，经dacs进行vc - 12级别的交叉连接，接到各个相应的sdh子环中，最终到达端局交换机。