Cisco ONS 15454 SDH Specifications Page 221

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5-31
Cisco ONS 15454 SDH Installation and Operations Guide, R3.3
May 2002
Chapter 5 SDH Topologies
Creating MS-SPRings
West ProtectAssign the west MS-SPRing port that will connect to the west protect fiber.
East ProtectAssign the east MS-SPRing port that will connect to the east protect fiber.
Step 5 Click Apply.
Note Some or all of the following alarms display during MS-SPRing setup: E-W MISMATCH,
RING MISMATCH, APSCIMP, APSDFLTK, MSSP-OOSYNC. The alarms will clear after
you configure all the nodes in the MS-SPRing.
Step 6 Complete Step 15 at each node that you are adding to the MS-SPRing.
Step 7 After you configure the last MS-SPRing node, wait for the MS-SPRing Ring Map Change dialog box to
display (this can take 10 30 seconds).
Note The dialog will not display if SDCC Termination alarms (e.g., EOC) or MS-SPRing alarms
(such as E-W MISMATCH and RING MISMATCH) are present. If an SDCC alarm is
present, review the DCC provisioning at each node; see the Create the MS-SPRing DCC
Terminations procedure on page 5-27. If MS-SPRing alarms have not cleared, repeat Step
15 at each node, making sure each node is provisioned correctly. You can also follow alarm
troubleshooting procedures provided in the Cisco ONS 15454 SDH Troubleshooting and
Maintenance Guide.
Step 8 On the MS-SPRing Ring Map Change dialog, click Yes.
Step 9 On the MS-SPRing Ring Map dialog box, verify that the ring map contains all the nodes you provisioned
in the expected order. If so, click Accept. If the nodes do not appear, or are not in the expected order,
repeat Step 18, making sure no errors are made.
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