| 1. | Digital access and crossconnect system , dacs 数字存取及跨接系统 |
| 2. | Digital access and cross - connect system 数字接入与交叉连接系统 |
| 3. | Multi - bandwidth digital access 多带宽接入 |
| 4. | Multi - pair cables used in high bit rate digital access telecommunication networks . outdoor cables 高比特率数字接入电信网络用多对电缆.户外电缆 |
| 5. | Multi - pair cables used in high bit rate digital access telecommunication networks - outdoor cables 高比特率数字存取电信网络用多组电缆.室外电缆 |
| 6. | Multi - pair cables used in high bit rate digital access telecommunication networks - part 1 : outdoor cables 高比特率数字接入电信网络用多对电缆.第1部分:户外电缆 |
| 7. | Multi - pair cables used in high bit rate digital access telecommunication networks - part 1 : outdoor cables 用于高位率数字存取电信网络的多组电缆.第1部分:户外电缆 |
| 8. | Multi - pair cables used in high bit rate digital access telecommunication networks - part 1 : outdoor cables ; german version en 50407 - 1 : 2004 高比特率数字存取电信网络用多组电缆.第1部分:室外电 |
| 9. | Pstn essential requirements for terminal equipment intended for connection to digital interfaces of the pstn using digital access signalling system no . 2 dass 2 采用数字存取第2信号系统将终端设备连接于公共开关电话网 |