20-2
Cisco ONS 15454 Procedure Guide, R5.0
March 2005
Chapter 20 DLPs A300 to A399
DLP-A301 Initiate a BLSR Manual Ring Switch
Step 8 Return to your originating procedure (NTP).
DLP-A301 Initiate a BLSR Manual Ring Switch
Step 1 From the View menu, choose Go to Network View.
Step 2 Click the Provisioning > BLSR tabs.
Step 3 Choose the BLSR and click Edit.
Tip To move an icon to a new location, for example, to see BLSR channel (port) information more
clearly, click an icon and drag and drop it to a new location.
Step 4 Right-click any BLSR node channel (port) and choose Set West Protection Operation (if you chose a
west channel) or Set East Protection Operation (if you chose an east channel).
Note The squares on the node icons represent the BLSR working and protect channels. You can
right-click either channel. For four-fiber BLSRs, the squares represent ports. Right-click either
working port.
Step 5 In the Set West Protection Operation dialog box or the Set East Protection Operation dialog box, choose
MANUAL RING from the drop-down list. Click OK.
Step 6 Click Ye s in the two Confirm BLSR Operation dialog boxes.
Step 7 Verify that the channel (port) displays the letter “M” for Manual ring. Also verify that the span lines
between the nodes where the Manual switch was invoked turn purple, and that the span lines between all
other nodes turn green on the network view map. This confirms the Manual switch.
Step 8 From the File menu, choose Close.
Step 9 Return to your originating procedure (NTP).
Purpose This task performs a bidirectional line switched ring (BLSR) Manual ring
switch. A Manual ring switch will switch traffic off a span if there is no
higher priority switch (Force or lock out) and no signal degrade (SD) or
signal failure (SF) conditions.
Tools/Equipment None
Prerequisite Procedures DLP-A60 Log into CTC, page 17-66
Required/As Needed As needed
Onsite/Remote Onsite or remote
Security Level Provisioning or higher
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