5-8
Cisco ONS 15327 User Documentation, R3.3
June 2002
Chapter 5 SONET Topologies
Bidirectional Line Switched Rings
Figure 5-8
Connecting fiber to a four-node, two-fiber BLSR
Procedure: Create the BLSR DCC Terminations
Step 1
Log into the first node that will be in the BLSR.
Step 2
Click the
Provisioning > Sonet DCC
tabs.
Step 3
In the SDCC Terminations section, click
Create
.
Step 4
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.
Step 5
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.
Step 6
Click
OK
.
Step 7
The slots/ports appear in the SDCC Terminations list.
Step 8
Complete Steps 2 – 5 at each node that will be in the BLSR.
Note
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
Procedure: Enable the BLSR Ports
Step 1
Log into one of the nodes that will be in the BLSR.
Step 2
Double-click one of the OC-N cards that you configured as a DCC termination.
71757
Node 1
West
East
West
East
West
East
West
East
Node 3
Node 2
Node 4
Slot 1
Tx Rx
Slot 2
Tx Rx
Slot 1
Tx Rx
Slot 2
Tx Rx
Slot 1
Tx Rx
Slot 2
Tx Rx
Slot 1
Tx Rx
Slot 2
Tx Rx
Summary of Contents for ONS 15327
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Page 30: ...Figures xxviii Cisco ONS 15327 User Documentation June 2002 ...
Page 44: ...Procedures xlii Cisco ONS 15454 Installation and Operations Guide R3 2 June 2002 ...
Page 540: ...Glossary GL 16 Cisco ONS 15327 User Documentation R3 3 June 2002 ...