RS-DCC
Use the RS-DCC subtab to view, create, edit, and delete regenerator section DCC (RS-DCC) terminations (D1-D3 bytes). These bytes provide a 192-kbps message channel for CTC alarms, maintenance, control, monitoring, and other CTC administration data.
 
Item
Description
Port
Displays the slot and port where the RS-DCC is provisioned.
OSPF Disabled on Link
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.
Foreign
A check mark indicates that the far end node is a non-ONS node.
Foreign IP
Displays the foreign node IP address.
Port Service State
Indicates the RS-DCC port service state. Service states appear in the format: AdministrativeState-OperationalState, StatusAttribute. For additional state information, see States.
LAPD Termination
If the RS-DCC is provisioned as OSI only, the RS-DCC LAP-D parameters appear:
 •
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.
 •
MTU—Shows the size of the Maximum Transfer Unit. The range is 512 to 1500 octets.
 •
T200—Shows the time between SABME (Set Asynchronous Balanced Mode) frame transmissions. The range is 0.2 to 20 seconds.
 •
T203—Shows the maximum time between LAP-D frame exchanges. The range is 4 to 120 seconds.
OSI SNPA
If the RS-DCC is provisioned for OSI, subnetwork point of attachment (SNPA) information appears:
 •
Router—Indicates the ONS router and NSAP address.
 •
Router State—Indicates whether the router is enabled or disabled.
Create
Displays the Create RS-DCC Termination dialog box to create a new RS-DCC termination.
Edit
Displays the Edit RS-DCC Termination dialog box to edit the highlighted RS-DCC termination.
Delete
Deletes the RS-DCC termination highlighted in the RS-DCC Terminations list.
Help
Displays context-sensitive help.

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