ModTempLowTh
Table 1: Alarm Details
Parameter | Description |
|---|---|
Code | modTempLowTh |
Description | Module Temperature Below Low Threshold: The temperature of the MSA transceiver is below low-temperature threshold. For information, see Temperature thresholds - MSA transceivers. |
Entities Affected | OTN OTU interfaces (see respective table below). |
Possible Cause | The ambient temperature is lower than the normal operating range of the chassis. |
Default Severity | Major |
Service Affecting | No (false). |
Alarm Clearing | |
Related Fault Hierarchy |
Table 2: OTN OTU Interfaces
Entity Name | Fault Indicator | ||
|---|---|---|---|
Module | Indicator | Status | |
otu4:<chassis>/<slot>/<subslot>/<port> | UFM4 | Fault LED, 100G line port | On |
Clearing a ModTempLowTh Alarm
 | Note: Follow all applicable safety requirements as described in the BTI7800 Series Hardware Overview and Installation Guide. |
- Optionally retrieve statistics for the OTU4 interface
to view the value of the Module
temperature parameter:
show statistics current otu4:identifier - Retrieve environment information to view data on equipment
temperature, and ensure that the ambient temperature is within the
specified range for chassis operation. For information, see the BTI7800 Series Hardware Overview and Installation Guide.
show environment - Check for alarms on the interface.
- If the alarm has cleared, you have completed this procedure.
- If the alarm does not clear, contact your next level of support.
