External Alarms And Controls; External Alarm Input; External Control Output - Cisco ONS 15600 Reference Manual
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Chapter 11
Alarm Monitoring and Management
Use alarm suppression with caution. If multiple CTC or TL1 sessions are open, suppressing the alarms
Note
in one session suppresses the alarms in all other open sessions.
11.6 External Alarms and Controls
External alarm inputs are used for external sensors such as open doors and flood sensors, temperature
sensors, and other environmental conditions. External control outputs allow you to drive external visual
or audible devices such as bells and lights. They can control other devices such as generators, heaters,
and fans.
You provision external alarms and controls in the node view Maintenance > Alarm Extenders window.
Up to 16 external alarm inputs and 16 external controls are available. The external input/output contacts
are located on the CAP attached to the ONS 15600 backplane.
11.6.1 External Alarm Input
You can provision each alarm input separately. Provisionable characteristics of external alarm inputs
include:
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•
•
•
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11.6.2 External Control Output
You can provision each alarm output separately. Provisionable characteristics of alarm outputs include:
•
•
•
•
Alarm type
Alarm severity (CR, MJ, MN, NA, and NR)
Alarm-trigger setting (open or closed)
Virtual wire associated with the alarm
CTC alarm log description (up to 63 characters)
Control type
Trigger type (alarm or virtual wire)
Description for CTC
Closure setting (manually or by trigger). If you provision the output closure to be triggered, the
following characteristics can be used as triggers:
Local NE alarm severity—A chosen alarm severity (for example, Major) and any
–
higher-severity alarm (in this case, Critical) causes output closure.
Remote NE alarm severity—Similar to local NE alarm severity trigger setting, but applies to
–
remote alarms.
Virtual wire entities—You can provision an alarm that is input to a virtual wire to trigger an
–
external control output.
11.6 External Alarms and Controls
Cisco ONS 15600 Reference Manual, R6.0
11-13
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