The Alarms tab lists current alarms (Critical [CR], Major [MJ], and Minor [MN]) 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 a column and choose Show Column.)
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The reference number assigned to the alarm. (The column is hidden by default; right-click a 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) The node where the alarm occurred.
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TL1 access identifier (AID) for the alarmed object. Identifies the location of the alarmed object.
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(Does not display for all cards.) If the alarm is raised on a card, the card type.
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(Network view or Multishelf Node view only) When checked, indicates a multishelf alarm.
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(Does not display for all cards.) 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 HPTerm and LPTerm, 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 (ONS 15454 SDH only), and ASAP (ONS 15600 SDH only) cards.
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Indicates how many VC-4s are contained in an alarmed path. (For any non-VC-4 object, such as a VC-3, the column is blank.)
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The 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, user 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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The 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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Updates the alarm table display.
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Displays the Alarm Filter dialog box, where you can filter 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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