The Overhead Circuits subtab allows you to view information about overhead circuits on the network. Overhead circuits include DCC and IP tunnels, user data channels (UDCs), and local and express orderwire (orderwire circuits require AIC-I cards). You can also create, delete, edit, and merge overhead circuits.
The circuit type. See Overhead Circuit Types for circuit type descriptions. The status of the circuit. See Overhead Circuit Statuses for circuit status descriptions. The circuit source in the format: node/slot/port “port name” virtual container/tributary unit group. (The port name appears in quotes.) Node and slot always display; port “port name”/virtual container/tributary unit group might display, depending on the source card, circuit type, and whether a name is assigned to the port. If the circuit is a concatenated size (VC4-2c, VC4-4c, VC4-8c, etc.), VCs used in the circuit are indicated by an ellipsis, for example, VC4-7..9 (VCs 7, 8, and 9) or VC4-10..12 (VC 10, 11, and 12). Note the following:
• Displays the Overhead Circuit Creation wizard, to create a new overhead circuit. Displays the Edit Overhead Circuit dialog box, to edit the overhead circuit that is highlighted.
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