Table 1: Condition Details
Alarm Indication Signal–Line (AIS-L), SONET: The local interface has received an AIS-L signal from the NE at the far end of the fiber, indicating that no SONET signal is being transmitted upstream of (and toward) the local NE. See also Maintenance Signaling.
SONET (OC192, WAN PHY OC192) interfaces (see table below).
Related Fault Hierarchy
Table 2: SONET (OC192, WAN PHY OC192) Interfaces
12x SFP+ BIC
Clearing an AIS-L Condition
Follow all applicable safety requirements as described in the BTI7800 Series Hardware Overview and Installation Guide.
- Check for and clear all alarms upstream of the local NE.
- Check for conditions on the local interface.
If the condition clears, you have completed this procedure.
If the condition does not clear, contact your next level of support.