Cisco ONS 15327 Procedure Manual page 153

Chapter 4 Turn Up Network
Verify the following:
b.
–
–
–
From network view, click the Alarms tab.
Step 10
Verify that the network does not have any unexplained alarms. If unexplained alarms are present,
a.
resolve them before continuing. Refer to the Cisco ONS 15327 Troubleshooting Guide.
Ensure that the alarm filter icon in the lower right corner is not indented. If so, click it once to turn
b.
it off. When you are done checking for alarms, click the icon again to turn alarm filtering back on.
See the
Step 11 Display the BLSR window where you invoked the Force Ring switch (the window may be hidden by the
CTC window).
Right-click the west port of the BLSR node where you invoked the Force Ring switch and choose Set
Step 12
West Protection Operation.
Step 13 On the Set West Protection Operation dialog box, choose CLEAR from the drop-down menu. Click OK.
Click Yes on the Confirm BLSR Operation dialog box.
Step 14
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 are purple and green. The span lines may take a few moments
to change color.
From network view, click the Conditions tab. Verify that all conditions raised in this procedure are
Step 15
cleared from the network. If unexplained conditions are present, resolve them before continuing.
Step 16 Verify the BLSR line status on each node:
From node view, click Maintenance > BLSR.
a.
Verify that the line states are shown as Act/Stby on both the East and west sides of each node in the
b.
ring.
Right-click the east port of BLSR node and choose Set East Protection Operation.
Step 17
On the Set East Protection Operation dialog box, choose FORCE RING from the drop-down menu.
Step 18
Click OK.
Click Yes on the two Confirm BLSR Operation dialog boxes that appear.
Step 19
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 was invoked, and all span lines between
other BLSR nodes are green. The span lines may take a few moments to change color.
Click the Conditions tab, then click Retrieve.
Step 20
Verify that the following conditions are reported on the node where you invoked the Force Ring switch
Step 21
on the east port:
FORCE-REQ-RING—A Force Switch Request On Ring 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 east side of the node.
March 2003
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.
"DLP-B227 Disable Alarm Filtering" task on page 6-30
NTP-B175 BLSR Acceptance Test
for instructions.
Cisco ONS 15327 Procedure Guide, R4.0
4-21