Cisco ONS 15310-MA SDH Procedure Manual page 262

Before You Begin
Click the Alarms tab and click Synchronize.
Step 3
Verify that the alarm filter is not on. See the
a.
page 16-107
Verify that no unexplained alarms appear on the network. If unexplained alarms appear, resolve
b.
them before continuing. Refer to the Cisco ONS 15310-MA SDH Troubleshooting Guide if
necessary.
On the Conditions tab, and click Retrieve. Verify that no unexplained conditions appear on the network.
Step 4
If unexplained conditions appear, resolve them before continuing. Refer to the Cisco ONS 15310-MA
SDH Troubleshooting Guide if necessary.
On the network map, double-click a node in the 1+1 protection group that is adjacent to the node you
Step 5
intend to remove (the target node).
In node view, click the Maintenance > Protection tabs.
Step 6
Initiate a Force switch on the working port:
Step 7
In the Protection Groups area, click the 1+1 protection group.
a.
In the Selected Group area, click the working port.
b.
Next to Switch Commands, click Force.
c.
In the Confirm Force Operation dialog box, click Yes.
d.
In the Selected Group area, verify that the following appears:
e.
Step 8 Repeat
Remove the fiber from the working ports of the target node.
Step 9
Connect the fiber between the working ports of the two nodes that were directly connected to either side
Step 10
of the target node.
On the node where you initiated a Force switch in
Step 11
Next to Switch Commands, click Clear.
a.
In the Confirm Clear Operation dialog box, click Yes.
b.
Initiate a Force switch on the protect port:
Step 12
In the Selected Group area, click the protect port. Next to Switch Commands, click Force.
a.
In the Confirm Force Operation dialog box, click Yes.
b.
In the Selected Group area, verify that the following appears:
c.
From the View menu, choose Go to Network View.
Step 13
On the network map, double-click the other node where you initiated a Force switch.
Step 14
Step 15 In node view, click the Maintenance > Protection tabs.
Step 16 Clear the Force switch on the working port:
a. In the Protection Groups area, click the 1+1 protection group.
In the Selected Group area, click the working port.
b.
Next to Switch Commands, click Clear.
c.
Cisco ONS 15310-MA SDH Procedure Guide, Release 9.1 and Release 9.2
13-10
as necessary.
• Protect port - Protect/Active [FORCE_SWITCH_TO_PROTECT], [PORT STATE]
• Working port - Working/Standby [FORCE_SWITCH_TO_PROTECT], [PORT STATE]
Step 5 through Step 7 for the node that is connected directly to the other side of the target node.
Protect port - Protect/Standby [FORCE_SWITCH_TO_WORKING], [PORT STATE]
•
Working port - Working/Active [FORCE_SWITCH_TO_WORKING], [PORT STATE]
•
Chapter 13
"DLP-H88 Disable Alarm Filtering" task on
Step 8, clear the switch:
Add and Remove Nodes
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