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Subtending Rings
Procedure: Subtend a BLSR from a BLSR
This procedure requires an established BLSR and one BLSR node with OC-N cards and fibers to carry
the BLSR. The procedure also assumes you know how to set up a BLSR. For BLSR setup procedures,
see the
In the node that will subtend the BLSR (Node 4 in
Step 1
as the BLSR trunk cards (Node 4, Slots 6 and 13).
Attach fibers from these cards to the BLSR trunk cards on the BLSR nodes. In
Step 2
6 connects to Node 7/Slot 13, and Slot 13 connects to Node 5/Slot 6.
From the node view, click the Provisioning > Sonet DCC tabs.
Step 3
Click Create.
Step 4
In the Create SDCC Terminations dialog box, click the slot and port that will carry the BLSR.
Step 5
Click OK.
Step 6
The selected slots/ports are displayed in the SDCC Terminations section.
Step 7
Put the ports that you will use for the BLSR in service:
Step 8
a.
b.
c.
d.
Step 9
To configure the BLSR, use the
must have a ring ID that differs from the ring ID of the first BLSR.
Step 10
Follow Steps 1 – 8 for the other nodes that will be in the subtending BLSR.
Step 11
Display the network view to see the subtending ring.
Figure 5-31
Figure 5-31 Viewing subtending BLSRs on the network map
Figure 5-32
Cisco ONS 15454 Installation and Operations Guide
5-40
"Setting Up BLSRs" section on page
In the node view, double-click the BLSR trunk card.
Select the Provisioning > Line tabs. Under Status, choose In Service.
Click Apply.
Repeat steps a – c for the second BLSR trunk card.
shows an example of two subtending BLSRs.
shows the Ring subtab for Node 5, which is the node that carries the two rings.
5-10.
Figure
"Provision the BLSR" procedure on page
Chapter 5
5-30), install the OC-N cards that will serve
Figure
5-14. The subtending BLSR
SONET Topologies
5-30, Node 4/Slot
78-13453-01
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