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Cisco ONS 15600 SDH Reference Manual, Release 9.0
78-18400-01
Chapter 7 Circuits and Tunnels
7.2.5 Circuit Information in the Edit Circuit Window
A notation within or by the squares or selector pentagons in detailed view indicates switches and
loopbacks, including:
•
F = Force switch
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M = Manual switch
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L = Lockout switch
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Arrow = Facility (outward) or terminal (inward) loopback
shows an example of the Edit Circuit window with a terminal loopback.
Figure 7-2
Detailed Circuit Map Showing a Terminal Loopback
Move the mouse cursor over nodes, ports, and spans to see tooltips with information including the
number of alarms on a node (organized by severity), a port’s service state, and the protection topology.
Right-click a node, port, or span on the detailed circuit map to initiate certain circuit actions:
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Right-click a unidirectional circuit destination node to add a drop to the circuit.
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Right-click a port containing a path-trace-capable card to initiate the path trace.
•
Right-click an SNCP span to change the state of the path selectors in the SNCP circuit.
