(For ONS 15454 M6) Use the SDCC subtab to view, create, edit, and delete SDCC terminations (D1-D3
bytes). These bytes provide a 192-kbps message channel for CTC alarms, maintenance, control, monitoring, and other CTC administration data.
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Displays the slot and port where the SDCC is provisioned.
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Indicates whether OSPF is disabled on the link. OSPF should be disabled only when the slot and port connect to third-party equipment that does not support OSPF.
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Indicates the SDCC port service state. Service states appear in the format —Primary State-Primary State Qualifier, Secondary State. For additional state information, see States.
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When checked, indicates that the far end node is a non-ONS node.
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Displays the foreign node IP address.
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If the SDCC is provisioned as OSI only, the SDCC LAP-D parameters appear:
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AITS/UITS —Indicates the LAP-D acknowledgement type, either AITS (Acknowledged Information Transfer Service), or UITS (Unacknowledged Transfer Service). |
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Network/User —Indicates the LAP-D frame command/response role, either Network or User. |
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MTU —Shows the size of the Maximum Transfer Unit. The range is 512 to 1500 octets. |
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T200 —Shows the time between SABME (Set Asynchronous Balanced Mode) frame transmissions. The range is 0.2 to 20 seconds. |
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T203 —Shows the maximum time between LAP-D frame exchanges. The range is 4 to 120 seconds. |
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If the SDCC is provisioned for OSI, subnetwork point of attachment (SNPA) information appears:
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Router —Indicates the ONS router and NSAP address. |
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Router State —Indicates whether the router is enabled or disabled. |
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Displays the Create SDCC Termination dialog box to create a new SDCC termination.
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Displays the Edit SDCC Termination dialog box to edit the highlighted SDCC termination.
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Deletes the SDCC termination highlighted in the SDCC Terminations list.
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Displays context-sensitive help.
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