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Cisco ONS 15327 User Documentation, R3.3
June 2002
Chapter 5 SONET Topologies
Subtending Rings
shows a UPSR subtending from a BLSR. In this example, Node 3 is the only node serving
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
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 5-23
.)
Step 1
In the node that will subtend the UPSR (Node 3 in
), install the OC-N cards that will serve
as the UPSR trunk cards (Node 3, Slots 3 and 4).
Step 2
Attach fibers from these cards to the UPSR trunk cards on the UPSR nodes. In
, Slot 3 Node
3 connects to Slot 4/Node 5, and Slot 4 connects to Slot 3/Node 6.
Step 3
From the node view, click the
Provisioning > Sonet DCC
tabs.
Step 4
Click
Create
.
Step 5
In the Create SDCC Terminations dialog box, click the slot and port that will carry the UPSR.
Step 6
Click
OK
.
The selected slots/ports are displayed in the SDCC Terminations section.
Step 7
Put the ports that you will use for the UPSR in service:
a.
In the node view, double-click UPSR trunk card.
b.
Select the
Provisioning > Line
tabs. Under Status, choose
In Service
.
c.
Click
Apply
.
d.
Repeat steps a - c for the second UPSR trunk card.
Step 8
Follow Steps 1 – 7 for the other nodes you will use for the UPSR.
Node 3
Node 1
Node 2
BLSR
UPSR
Node 4
Slot 4
East
Slot 2
East
Slot 2
East
Slot 2
East
Slot 4
East
Slot 3
West
Slot 1
West
Slot 1
West
Slot 1
West
Slot 3
West
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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 ...