17-94
Cisco ONS 15454 Procedure Guide, R5.0
March 2005
Chapter 17 DLPs A1 to A99
DLP-A93 Four-Fiber BLSR Span Switching Test
c.
Verify that a SPAN-SW-WEST (Span Switch West) condition is reported on the node where you
invoked the Force Span switch, and a SPAN-SW-EAST (Span Switch East) condition is reported on
the node connected to the west line of the node where you performed the switch. Make sure the Filter
button in the lower right corner of window is off. Click the Node column to sort conditions by node.
Step 6
Click the
Alarms
tab.
a.
Verify that the alarm filter is not on. See the
“DLP-A227 Disable Alarm Filtering” task on
as necessary.
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 7
Display the BLSR window where you invoked the Force Span switch (the window might be hidden by
the CTC window).
Step 8
Clear the west switch:
a.
Right-click the west port of the BLSR node where you invoked the Force Span switch and choose
Set West Protection Operation
.
b.
In the Set West Protection Operation dialog box, choose
CLEAR
from the drop-down list.
c.
Click
OK
.
d.
Click
Yes
in the Confirm BLSR Operation dialog box.
On the network view graphic, the Force Span switch is removed, the F disappears, and the span lines
between BLSR nodes will be purple and green. The span lines might take a few moments to change
color.
Step 9
Switch the east span:
a.
Right-click the east port of BLSR node and choose
Set East Protection Operation
.
b.
In the Set East 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 Force Span
switch. The BLSR span lines are purple where the Force Span switch was invoked, and all span lines
between other BLSR nodes are green. The span lines might take a few moments to change color.
Step 10
Verify the conditions:
a.
Click the
Conditions
tab.
b.
Click
Retrieve
.
c.
Verify that a SPAN-SW-EAST condition is reported on the node where you invoked the Force Span
switch, and a SPAN-SW-WEST condition is reported on the node connected to the west line of the
node where you performed the switch. Make sure the Filter button in the lower right corner of
window is off.
Step 11
Click the
Alarms
tab.
a.
Verify that the alarm filter is not on. See the
“DLP-A227 Disable Alarm Filtering” task on
as necessary.
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 12
Display the BLSR window where you invoked the Force Span switch (the window might be hidden by
the CTC window).
Summary of Contents for ONS 15454 Series
Page 28: ...Tables xxviii Cisco ONS 15454 Procedure Guide R5 0 December 2004 ...
Page 44: ...Tasks xliv Cisco ONS 15454 Procedure Guide R5 0 December 2004 ...
Page 53: ...liii Cisco ONS 15454 Procedure Guide R5 0 December 2004 About this Guide Document Conventions ...
Page 55: ...lv Cisco ONS 15454 Procedure Guide R5 0 December 2004 About this Guide Document Conventions ...
Page 850: ...Index IN 22 Cisco ONS 15454 Procedure Guide R5 0 December 2004 description 4 11 remove 18 23 ...