Cisco ONS 15454 SDH Procedure Manual page 499

Chapter 17 DLPs D1 to D99
On the network view graphic, an F appears on the working MS-SPRing channel where you invoked
the Force Ring switch. The MS-SPRing span lines turn purple where the Force was invoked, and all
span lines between other MS-SPRing nodes turn green.
Click the Conditions tab, then click Retrieve.
Step 5
Step 6 Verify that the following conditions are reported on the node where you invoked the switch on the west
port:
FORCE-REQ-RING—A Force Switch Request On Ring condition is reported against the span's
•
working slot on the west side of the node.
RING-SW-EAST—A Ring Switch Active on the East Side condition is reported against the working
•
span on the east side of the node.
Note
Verify that the following conditions are reported on the node that is connected to the west line of the
Step 7
node where you performed the switch:
FE-FRCDWKSWPR-RING—A Far-End Working Facility Forced to Switch to Protection condition
•
is reported against the working span on the east side of the node.
RING-SW-WEST—A Ring Switch Active on the West Side condition is reported against the
•
working span on the west side of the node.
(Optional) If you remapped the K3 byte to run an ONS 15454 MS-SPRing through third-party
Step 8
equipment, check the following condition. Verify a KBYTE-PASSTHRU condition reported on other
nodes that are not connected to the west side of the node where you invoked the Force Ring switch.
Verify the MS-SPRing line status on each node:
Step 9
a. From the View menu, choose Go to Node View.
b. Click the Maintenance > MS-SPRing tabs.
c. Verify the following:
•
•
•
From the View menu, choose Go to Network View.
Step 10
Click the Alarms tab.
Step 11
Verify that the alarm filter is not on. See the
a.
page 19-25
Verify that no unexplained alarms appear on the network. If unexplained alarms appear, resolve
b.
them before continuing. Refer to the Cisco ONS 15454 SDH Troubleshooting Guide if necessary.
Display the MS-SPRing window where you invoked the Force Ring switch (the window might be hidden
Step 12
by the CTC window).
78-17194-01
Make sure that the Filter button in the lower right corner of the window is off. Click the Node
column to sort conditions by node.
The line states are shown as Stby/Stby on the west side of the node and Act/Act on the east side
of the node where you invoked the Force Ring switch.
The line states are shown as Stby/Stby on the east side of the node and Act/Act on the west side
of the node that is connected to the west line of the node where you invoked the Force Ring
switch.
The line states are shown as Act/Act on both east and west sides of the remaining nodes in the
ring.
as necessary.
DLP- D91 MS-SPRing Switch Test
"DLP-D227 Disable Alarm Filtering" task on
Cisco ONS 15454 SDH Procedure Guide, R7.0
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