The Alarms tab lists current alarms for the Cisco ONS network, node, or card and updates them in real
time. The Alarms tab shows alarms in compliance with Telcordia GR-253. This means that if a network problem causes two alarms, such as loss of frame (LOF) and loss of signal (LOS), CTC shows only the LOS alarm in this window because it supersedes and replaces the LOF.
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An incrementing count of alarm messages. (The column is hidden by default; right-click any column and choose Show Column.)
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The reference number assigned to the alarm. (The column is hidden by default; right-click any column and choose Show Column.)
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Indicates a new alarm; to change this status, click either the Synchronize button or the Delete Cleared Alarms button.
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Date and time of the alarm.
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(Network view only) Shows the node where the alarm occurred.
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TL1 access identifier (AID) for the alarmed object. For an STSMON or VT-MON alarms, the object.
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If the alarm is raised on a card, the card type.
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If the alarm is raised on a card, the slot where the alarm occurred.
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If the alarm is raised on a card, the port where the alarm is raised. For STSTerm and VTTerm, the port refers to the upstream card it is partnered with.
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Wavelength is a provisionable parameter on the port entity. If a wavelength is provisioned that does not match PPM capability, a PROV-MISMATCH alarm occurs. Wavelength is displayed for DWDM, MRC-N (ONS 15454 only), and ASAP (ONS 15600 only) cards.
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Number of synchronous transport signals (STSs) contained in the alarmed path. The column reports the width as a 1, 3, 6, 12, 48, etc. as appropriate, understood to be “STS- n.”
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Alarm severity level: CR (Critical, displayed in red), MJ (Major, displayed in orange), MN (Minor, displayed in yellow), NA (Not Alarmed, displayed in pink), or NR (Not Reported, displayed in blue).
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Alarm status: R (raised), C (cleared), or T (transient). A transient (T) event is one that is automatically raised and cleared in CTC during system changes such as user login, logout, loss of connection to node view, etc. Transient events do not require user action.
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When checked, indicates a service-affecting alarm.
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Error message/alarm name. These names are described in the “Alarm Troubleshooting” topic, which you can view by choosing Contents and Index from the CTC Help menu.
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Description of the alarm.
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Displays the direction (receive or transmit) of the alarm and is relative to the entity (node, card, slot, or port) identified by the AID (entity identifier).
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Displays the location (far, near, or N/A) of the alarm and refers to the entity (node, card, slot, or port) identified by the AID (entity identifier). Near-end refers to alarms occurring at the identified entity, and far-end refers to alarms occurring at a distant entity connected to the identified entity.
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(Network view or multishelf view [multishelf mode] only) When checked, indicates a multishelf alarm.
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Updates the alarm table display.
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Displays the Alarm Filter dialog box where you can set the filter parameters for the alarms that appear on the Alarms tab.
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Deletes all cleared alarms from the alarm window.
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AutoDelete Cleared Alarms
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If checked, deletes cleared alarms automatically.
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Turns the filter on or off. CTC retains that last filter activation setting. For example, if you turn the filter on and then log out, CTC keeps the filter active the next time you log in.
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Displays context-sensitive help.
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