Cisco ONS 15454 SDH Specifications Page 404

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10-2
Cisco ONS 15454 SDH Installation and Operations Guide, R3.3
May 2002
Chapter 10 Alarm Monitoring and Management
Overview
10.1 Overview
CTC detects and reports SDH alarms generated by the Cisco ONS 15454 SDH and the larger SDH
network. You can use CTC to monitor and manage alarms at card, node, or network levels and view alarm
counts on the LCD front panel. Default alarm severities conform to the ITU-T G.783 standard, but you
can reset severities to customized alarm profiles or suppress CTC alarm reporting. For a detailed
description of the standard ITU categories employed by ONS nodes, see the Cisco ONS 15454 SDH
Troubleshooting and Maintenance Guide.
Note ONS 15454 SDH alarms can also be monitored and managed through a network management system
(NMS).
10.2 Viewing ONS 15454 SDH Alarms
At the card, node, or network-level CTC view, click the Alarms tab to display the alarms for that card,
node or network. Table 10-2 lists the tabs column headings and the information recorded in each
column.
Table 10-2 Alarms Column Descriptions
Column Information Recorded
Num A count of incrementing alarm messages (this column is hidden by default)
Ref The reference number assigned to a cleared alarm (this column is hidden by default).
New Indicates a new alarm. To change this status check either the Synchronize Alarms or
Delete Cleared Alarms checkbox, or reset the active TCC-I card.
Date Date and time of the alarm
Node Node where the alarm occurred (displays in network view only)
Object TL1 access identifier (AID) for the alarmed object
Eqpt Type Card type in this slot
Slot Slot where the alarm occurred (displays in network and node view only)
Port Port where the alarm occurred
Sev Severity level: CR (critical), MJ (major), MN (minor), NA (not alarmed), NR (not
reported)
ST Status: R (raised), C (clear), T (transient)
SA When checked, indicates a service-affecting alarm
Cond The error message/alarm name. These are defined alphabetically in the Cisco ONS 15454
SDH Troubleshooting and Maintenance Guide.
Description Description of the alarm
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