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Cisco ONS 15454 SDH Product Overview

Alarm Collection and Display

Cisco ONS 15454 SDH Product Overview, R3.4

September 2002

Alarm Collection and Display

The ONS 15454 SDH has several methods to alert you to possible problems with

the node. The ONS 15454 SDH faceplate has LEDs that alert you to critical,

major, minor, and remote alarms on the node. The LCD provides alarm

information on a port and card level in addition to node level. CTC displays

alarms and events on a port, card, or node level for all nodes in the network. CTC

can also highlight the circuits that are affected by a particular alarm.

Front Panel LEDs

The critical, major and minor alarm LEDs on the fan-tray front panel indicate

whether a critical, major, or minor alarm is present anywhere on the ONS 15454

SDH assembly. These LEDs are viewable through the front door so that you can

quickly determine if any alarms are present on the assembly. These LEDs are

independent of the Slot, Status, and Port indicators on the LCD.

LCD Alarm Indicators

The ONS 15454 SDH LCD screen (Figure 15) provides slot- and port-level alarm

information for all ONS 15454 SDH card slots, including the number of critical,

major, and minor alarms.

Figure 15 Using the LCD

FAN FAIL

Slot

06/29/01

03.00-001A-00

24˚C

34192

CRIT MAJ MIN

Status Port

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