Subtend A Blsr From A Upsr - Cisco ONS 15327 User Documentation

Chapter 5 SONET Topologies
Go to the network view to view the subtending ring.
Step 9
Procedure: Subtend a BLSR from a UPSR
This procedure requires an established UPSR and one UPSR node with OC-N cards and fibers to connect
to the BLSR. The procedure also assumes you can set up a BLSR. (For BLSR setup procedures, see the
"Setting Up BLSRs" section on page
In the node that will subtend the BLSR (Node 3 in the
Step 1
will serve as the BLSR trunk cards (in
Attach fibers from these cards to the BLSR trunk cards on the BLSR nodes. In
Step 2
3 connects to Slot 4/Node 5, and Slot 4 connects to Slot 3/Node 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
Step 6 Click OK.
Step 7 The selected slots/ports are displayed under SDCC Terminations.
Put the ports that you will use for the BLSR in service:
Step 8
a.
b.
c.
d.
Use the
Step 9
Step 10 Follow Steps 1– 8 for the other nodes that will be in the BLSR.
Go to the network view to see the subtending ring.
Step 11
The ONS 15327 can support two BLSRs on the same node. This capability allows you to deploy an ONS
15327 in applications requiring SONET DCSs (digital cross connect systems) or multiple SONET
ADMs (add/drop multiplexers).
Figure 5-26
runs on Nodes 4, 5, 6, and 7. Two BLSR rings, Ring 1 and Ring 2, are provisioned on Node 4. Ring 1
uses cards in Slots 1and 2, and Ring 2 uses cards in Slots 3 and 4.
Although different node IDs are used for the two BLSRs shown in
Note
BLSRs can use the same node ID.
June 2002
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.
"Provision the BLSR" procedure on page 5-9
shows two BLSRs shared by one ONS 15327. Ring 1 runs on Nodes 1, 2, 3, and 4. Ring 2
5-7.)
Figure 5-25
Figure 5-25, Node 3, Slots 3 and 4).
to configure the BLSR.
Cisco ONS 15327 User Documentation, R3.3
Subtending Rings
example), install the OC-N cards that
Figure 5-25, Slot 3/Node
Figure 5-26, nodes in different
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