17-93
Cisco ONS 15454 Procedure Guide, R5.0
March 2005
Chapter 17 DLPs A1 to A99
DLP-A93 Four-Fiber BLSR Span Switching Test
b.
Verify that no unexplained alarms appear on the network. If unexplained alarms appear, resolve
them before continuing. Refer to the
Cisco ONS 15454 Troubleshooting Guide
if necessary
.
Step 11
From the File menu, choose
Close
to close the BLSR window.
Step 12
Return to your originating procedure (NTP).
DLP-A93 Four-Fiber BLSR Span Switching Test
Step 1
From the View menu, choose
Go to Network View
.
Step 2
Click the
Provisioning > BLSR
tabs.
Step 3
Click
Edit
. A BLSR window appears containing a graphic of the BLSR.
Note
If the node icons are stacked on the BLSR graphic, press Ctrl while you drag and drop each one
to a new location so you can see the BLSR port information clearly.
Step 4
Switch the west span:
a.
Right-click the west port of the four-fiber BLSR node that you want to exercise and choose
Set West
Protection Operation
.
shows an example.
Note
The squares on the network map represent ports. Right-click a working port.
b.
In the Set West Protection Operation dialog box, choose
FORCE SPAN
from the drop-down list.
c.
Click
OK
.
d.
Click
Yes
in the two Confirm BLSR Operation dialog boxes that appear.
On the network view graphic, an F appears on the BLSR channel where you invoked the protection
switch. The BLSR span lines turn purple where the Force Span switch was invoked, and all span
lines between other BLSR nodes turn green.
Step 5
Verify the conditions:
a.
Click the
Conditions
tab.
b.
Click
Retrieve
.
Purpose
This task verifies that traffic will switch from working to protect fibers on
a four-fiber BLSR span.
Tools/Equipment
None
Prerequisite Procedures
DLP-A60 Log into CTC, page 17-66
Required/As Needed
Required
Onsite/Remote
Onsite
Security Level
Provisioning or higher
Summary of Contents for ONS 15454 Series
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