17-89
Cisco ONS 15454 Procedure Guide, R5.0
March 2005
Chapter 17 DLPs A1 to A99
DLP-A91 BLSR Switch Test
•
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.
•
Verify that the line states are shown as Act/Act on both east and west sides of the remaining
nodes in the ring.
Step 8
From the View menu, choose
Go to Network View
.
Step 9
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 10
Display the BLSR window where you invoked the Force Ring switch (the window might be hidden by
the CTC window).
Step 11
Clear the switch on the west port:
a.
Right-click the west port of the BLSR node where you invoked the Force Ring 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 Ring switch is removed, the F indicating the switch is
removed, and the span lines between BLSR nodes will be purple and green. The span lines might
take a few moments to change color.
Step 12
From network view, click the
Conditions
tab. Verify that all conditions raised in this procedure are
cleared from the network. If unexplained conditions appear, resolve them before continuing.
Step 13
Verify the BLSR line status on each node:
a.
From the View menu, choose
Go to Node View
.
a.
Click the
Maintenance > BLSR
tabs.
b.
Verify that the line states are shown as Act/Stby on both the east and west sides of each node in the
ring.
Step 14
Initiate a Force Ring switch on the east port:
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 RING
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 working BLSR channel where you invoked the
Force Ring switch. The BLSR span lines are purple where the Force Ring 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 15
Verify the conditions:
a.
Click the
Conditions
tab.
b.
Click
Retrieve
.
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 ...