AIS–L
Table 1: Condition Details
Parameter | Description |
|---|---|
Code | ais-l |
Description | 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. |
Entities Affected | SONET (OC192, WAN PHY OC192) interfaces (see table below). |
Default Severity | Not alarmed. |
Service Affecting | Yes (true). |
Condition Clearing | |
Related Fault Hierarchy |
Table 2: SONET (OC192, WAN PHY OC192) Interfaces
Entity Name | Fault Indicator | ||
|---|---|---|---|
Module | Indicator | Status | |
oc192:<chassis>/<slot>/<subslot>/<port> | 12x SFP+ BIC | – | – |
wanoc192:<chassis>/<slot>/<subslot>/<port> | |||
Clearing an AIS-L Condition
 | Note: 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.
