No alarm present
| |
Far end sending LOF (Yellow Alarm)
| |
4
| Near end sending LOF
|
8
| Far end sending AIS
|
16
| Near end sending AIS
|
32
| Near end LOF (Red Alarm)
|
64
| Near end loss of signal
|
128
| Near end is looped
|
256
| E1 TS16 AIS
|
512
| Far End sending TS16 LOMF
|
1024
| Near End sending TS16 LOMF
|
2048
| Near End detects a test code
|
4096
| Any other line status
|