| 1. | Lower order path trace identification mismatch lp - tim 低阶通道跟踪识别失配 |
| 2. | Lower order path supervisory unequipped termination 低阶通道监控未装载终端 |
| 3. | Lower order path remote defect indication lp - rdi 低阶通道远端缺陷指示 |
| 4. | Lower order path tandem connection adaptation 低阶通道串联连接适配 |
| 5. | Lower order path tandem connection temination 低阶通道串联连接监视 |
| 6. | Lower order path tandem connection monitor 低阶通道串联连接监视 |
| 7. | Lower order path network connection lop n 低阶通道网络连接 |
| 8. | Lower order path overhead monitor lpom 低阶开销监视 |
| 9. | Lower order path overhead monitor 低阶通道开销监视 |
| 10. | Lower order path termination lpt 低阶通路通道终结 |