| 1. | Administration unit alarm indication signal au - ais
管理单元告警指示信号 |
| 2. | Multiplex section alarm indication signal ms - ais
复用段告警指示信号 |
| 3. | Ms - ais : mutiplex section - alarm indication signal
复用段告警指示信号 |
| 4. | Fixed railway installations . fog signal
铁路固定设备.雾灯指示信号 |
| 5. | Tributary unit alarm indication signal tu - ais
支路单元告警指示信号 |
| 6. | 3 four supper bright led lights indicate relative signal strength
3四个超亮指示灯指示信号强度 |
| 7. | 3 three supper bright led lights indicate relative signal strength
3三个超亮指示灯指示信号强度 |
| 8. | Represents the event code indicating that a heartbeat event occurred
表示的是指示信号事件发生的事件代码。 |
| 9. | Lane direction control signal
车道方向指示信号 |
| 10. | Lane direction control sign
车道方向指示信号 |
