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OSN 500 550 580 V100R008C50 Alarms and Performance Events Reference 02

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Alarm List T

Alarm List T

This section used a table to list the alarms starting with T.

Name Description Severity Applicable Equipment
T_ALOS Indicates loss of analog signals at the E1 or T1 ports. Major OptiX OSN 550/500/580
T_FIFO_E Indicates that the transmit FIFO on the PDH side of the E3/T3 tributary board overflows. Minor OptiX OSN 550/580
T_LOC Indicates that the clock of the signal in the transmit direction of the line board is lost. Major OptiX OSN 550/580
T_LOS Indicates that no signal is input on the transmit side of the line board. Major OptiX OSN 550/580
T_LOSEX Indicates that the board detects the loss of backplane service bus signals. Major OptiX OSN 550/580
TD Indicates that the laser transmit performance deteriorates. Critical OptiX OSN 550/580
TEM_HA Indicates that the temperature of the laser exceeds the upper threshold. Major OptiX OSN 550/500/580
TEM_LA Indicates that the temperature of the laser exceeds the lower threshold. Major OptiX OSN 550/500/580
TEMP_ALARM Indicates that the temperature crosses the threshold. Minor OptiX OSN 550/500/580
TEMP_OVER Indicates that the operating temperature of the alarmed board is higher than the upper threshold or lower than the lower threshold. Major OptiX OSN 550/500/580
TF Indicates a transmission failure of a laser. Critical OptiX OSN 550/500/580
THUNDERALM Indicates a lightning protection failure. Minor OptiX OSN 550/500/580
TIME_LOCK_FAIL Indicating a failure to lock the clock. Major OptiX OSN 550/580
TIME_NO_TRACE_MODE Indicating that the IEEE 1588v2 time goes into no-trace mode. Minor OptiX OSN 550
TR_LOC Indicates that the clock of the cross-connect board is faulty. Major OptiX OSN 550/500/580
TPS_ALM An alarm of TPS protection switching. Major OptiX OSN 550/580
TU_AIS TU alarm indication signal. Major OptiX OSN 550/580
TU_AIS_VC12 VC-12 TU alarm indication signal. Major OptiX OSN 550/580
TU_AIS_VC3 VC-3 TU alarm indication signal. Major OptiX OSN 550/580
TU_LOP TU loss of pointer. Major OptiX OSN 550/580
TU_LOP_VC12 VC-12 TU loss of pointer. Major OptiX OSN 550/580
TU_LOP_VC3 VC-3 TU loss of pointer. Major OptiX OSN 550/580
TUNNEL_APS_DEGRADED Indicates that a tunnel APS protection group degrades. Major OptiX OSN 550/500/580
TUNNEL_APS_OUTAGE Indicates that a tunnel APS protection group fails. Major OptiX OSN 550/500/580
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Updated: 2019-01-21

Document ID: EDOC1100020975

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