External Alarm Input; External Control Output; Virtual Wires For External Alarms In Mixed Networks - Cisco ONS 15600 Reference Manual
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11.6.1 External Alarm Input
11.6.1 External Alarm Input
You can provision each alarm input separately. Provisionable characteristics of external alarm inputs
include:
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11.6.2 External Control Output
You can provision each alarm output separately. Provisionable characteristics of alarm outputs include:
•
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11.6.3 Virtual Wires for External Alarms in Mixed Networks
Virtual wires route external alarms to one or more alarm collection centers in a network. External alarms
can be assigned to virtual wires in networks containing only ONS 15600s or in mixed networks
containing ONS 15600s, ONS 15454s, and ONS 15327s. You can view virtual wires in the CTC node
view Maintenance > Alarm Extenders > Virtual Wires window.
When using virtual wires, you can:
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•
The ONS 15600 supports 16 virtual wires. The ONS 15454 and ONS 15327 each support four virtual
wires. In mixed ONS 15600/15454/15327 networks, CTC displays the virtual wire information
differently based upon where it is viewed.
Figure 11-7
The Virtual Wires window shows 10 virtual wire columns, but 16 are available. The first 12 are available
for other ONS 15600s. Only the last four are available for the ONS 15454, because it can only support
four virtual wires.
Cisco ONS 15600 Reference Manual, R8.0
11-14
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
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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
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remote alarms.
Virtual wire entities—You can provision an alarm that is input to a virtual wire to trigger an
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external control output.
Assign different external devices to the same virtual wire.
Assign virtual wires as the trigger type for different external controls.
shows an ONS 15600 Virtual Wires window with a DCC connection to an ONS 15454 node.
Chapter 11 Alarm Monitoring and Management
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