Figure 5-8 Connecting Fiber To A Four-Node, Two-Fiber Blsr - Cisco ONS 15327 User Documentation

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Bidirectional Line Switched Rings

Procedure: Create the BLSR DCC Terminations

Log into the first node that will be in the BLSR.

Click the Provisioning > Sonet DCC tabs.

In the SDCC Terminations section, click Create.

On the Create SDCC Terminations dialog box, press Ctrl and click the two slots/ports that will serve as

the BLSR ports at the node. For example, Slot 1 (OC-48)/Port 1 and Slot 2 (OC-48)/ Port 1.

If you want the ports to be put in service (enabled) automatically, leave the Set Port in Service checkbox

checked. Otherwise, uncheck the box and follow the steps to enable the ports.

The slots/ports appear in the SDCC Terminations list.

Complete Steps 2 – 5 at each node that will be in the BLSR.

Procedure: Enable the BLSR Ports

Log into one of the nodes that will be in the BLSR.

Double-click one of the OC-N cards that you configured as a DCC termination.

Cisco ONS 15327 User Documentation, R3.3

Connecting fiber to a four-node, two-fiber BLSR

The ONS 15327 uses the SONET Section layer DCC (SDCC) for data communications. It

does not use the Line DCCs; therefore, the Line DCCs are available to tunnel DCCs from

third-party equipment across ONS 15327 networks. For more detail, see the

Tunnels" section on page

SONET Topologies

"Creating DCC