Figure 5-25 A Upsr Subtending From A Blsr - Cisco ONS 15327 User Documentation

Subtending Rings
Figure 5-25
both the BLSR and UPSR. OC-N cards in Slots 1 and 2 serve the BLSR, and OC-N cards in Slots 3 and
4 serve the UPSR.

Figure 5-25 A UPSR subtending from a BLSR

Node 4
Slot 4
East
Procedure: Subtend a UPSR from a BLSR
This procedure requires an established BLSR and one BLSR node with OC-N cards and fibers to carry
the UPSR. The procedure also assumes you can set up a UPSR. (For UPSR setup procedures, see the
"Setting Up a UPSR" section on page
In the node that will subtend the UPSR (Node 3 in
Step 1
as the UPSR trunk cards (Node 3, Slots 3 and 4).
Attach fibers from these cards to the UPSR trunk cards on the UPSR 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 UPSR.
Step 5
Click OK.
Step 6
The selected slots/ports are displayed in the SDCC Terminations section.
Put the ports that you will use for the UPSR in service:
Step 7
a.
b.
c.
d.
Follow Steps 1 – 7 for the other nodes you will use for the UPSR.
Step 8
Cisco ONS 15327 User Documentation, R3.3
5-30
shows a UPSR subtending from a BLSR. In this example, Node 3 is the only node serving
Slot 3
West
UPSR
Slot 4
East
Slot 3
West
Node 3
In the node view, double-click UPSR trunk card.
Select the Provisioning > Line tabs. Under Status, choose In Service.
Click Apply.
Repeat steps a - c for the second UPSR trunk card.
Slot 1
West
Slot 2
East
BLSR
Slot 1
West
Slot 2
East
5-23.)
Figure 5-25), install the OC-N cards that will serve
Chapter 5
Node 1
Slot 2
East
Slot 1
West
Node 2
Figure 5-25, Slot 3 Node
SONET Topologies
June 2002