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OSN 500 550 580 V100R008C50 Alarms and Performance Events Reference 02

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Alarm List A

Alarm List A

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

Name Description Severity Applicable Equipment
A_LOC Indicates that the upstream bus clock at the electrical port of a tributary board is lost. Major OptiX OSN 550/580
ACR_LOCK_FAIL Indicating a failure to lock the IEEE 1588 ACR. Major OptiX OSN 550/500
AD_CHECK_FAIL Indicates an AD (analog-to-digital converter) self-check failure. Major OptiX OSN 550/580
ALM_ALS Indicates that the laser on a line board is in the auto laser shutdown (ALS) state. Minor OptiX OSN 550/580
ALM_E1RAI Alarm indication at the remote end of an E1 link. Minor OptiX OSN 550/500
ALM_GFP_dLFD Indicating the GFP frame signal is lost. Major OptiX OSN 550
ALM_GFP_dCSF Indicating the loss of GFP client signal. Critical OptiX OSN 550
ALM_IMA_LIF Out-of-frame alarm in an IMA link. Major OptiX OSN 550/500
ALM_IMA_LODS Indicates that the differential delay in the IMA link crosses the threshold. Major OptiX OSN 550/500
ALM_IMA_RE_RX_UNUSABLE Indicates the failure in receiving signals on the remote IMA link. Minor OptiX OSN 550/500
ALM_IMA_RE_TX_UNUSABLE Indicates the failure in transmitting signals on the remote IMA link. Minor OptiX OSN 550/500
ALM_IMA_RFI Out-of-frame alarm in the remote IMA link. Major OptiX OSN 550/500
APS_FAIL Indicates that the multiplex section protection (MSP) switching fails. Major OptiX OSN 550/580
APS_INDI Indicates that the multiplex section protection (MSP) switching occurs. Major OptiX OSN 550/580
APS_MANUAL_STOP Indicates that the automatic multiplex section protection (MSP) switching protocol is stopped manually. Minor OptiX OSN 550/580
ARP_FAIL Indicates that an Ethernet port fails to learn the MAC address of the remote end using the ARP. Major OptiX OSN 500/550/580
ARP_MAC_MISMATCH Indicates that the configured static ARP MAC address is different from the actual MAC address. Major OptiX OSN 500/550/580
ARP_SPOOF Indicating an ARP spoofing attack. Major OptiX OSN 500/550/580
ATMPW_UNKNOWNCELL_EXC Indicates that the number of unknown ATM cells exceeds the specified threshold in a time unit. Major OptiX OSN 550/500
AU_AIS Indication of the administrative unit (AU). Major OptiX OSN 550/580
AU_LOP Indicating the loss of the AU pointer. Minor OptiX OSN 550/580
Updated: 2019-01-21

Document ID: EDOC1100020975

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