| 1. | Path protection and multiplex section protection
通道保护和复用段保护 |
| 2. | Ms - rdi : multiplex section - remote defect indication
复用段远端缺陷指示 |
| 3. | Multiplex section alarm indication signal ms - ais
复用段告警指示信号 |
| 4. | Ms - ais : mutiplex section - alarm indication signal
复用段告警指示信号 |
| 5. | Four - fiber ms shared protection ring
四纤双向复用段共享保护环 |
| 6. | Multiplex section defect indication ms - rdi
复用段远端缺陷指示 |
| 7. | Two - fiber ms shared protection ring
二纤双向复用段共享保护环 |
| 8. | Multiplex section network connection ms n
复用段网络连接 |
| 9. | Mst : multiplex section termination
复用段终端 |
| 10. | Msa : multiplex section adaptation
复用段适配 |
