Cisco 15600 - Manual (Page 40)

17-40
Cisco ONS 15600 Procedure Guide, R8.0
Chapter 17 DLPs E100 to E199
DLP- E147 Check BLSR or Path Protection Alarms and Conditions
DLP-E147 Check BLSR or Path Protection Alarms and Conditions
Step 1 From the View menu, choose Go to Network View. Verify that all BLSR or path protection spans on the
network map are green.
Step 2 Click the Alarms tab. Verify that no critical or major alarms are present, nor any facility alarms or
conditions, such as loss of signal (LOS), loss of frame alignment (LOF), alarm indication signal–line
(AIS-L), signal fail (SF), and signal degrade (SD). In a BLSR, these facility conditions might be reported
as minor alarms. Make sure the Filter button in the lower right corner of the window is off (not indented).
Step 3 Click the Conditions tab and click Retrieve Conditions. Verify that no ring switches are active. Make
sure the Filter button in the lower right corner of the window is off (not indented).
Step 4 Return to the originating procedure (NTP).
DLP-E150 Clear a BLSR Force Ring Switch
Step 1 From the View menu, choose Go to Network View.
Step 2 Click the Provisioning > BLSR tabs.
Step 3 Select the BLSR and click Edit.
Note If node icons overlap, drag and drop the icons to a new location or return to network view and
change the positions of the network node icons. BLSR node icons are based on the network view
node icon positions.
Step 4 To clear a Force switch on the west line:
a. Right-click the BLSR west port where you want to clear the protection switch and choose
Set West Protection Operation. Ports with a Force switch applied are marked with an F.
Purpose This task checks a BLSR or a path protection for alarms and conditions
before performing any major administrative change to the ring such as
adding and removing nodes.
Tools/Equipment None
Prerequisite Procedures DLP-E26 Log into CTC, page 16-33
Required/As Needed As needed
Onsite/Remote Onsite
Security Level Retrieve or higher
Purpose This task removes a Force switch from a BLSR port.
Tools/Equipment None
Prerequisite Procedures DLP-E26 Log into CTC, page 16-33
Required/As Needed As needed
Onsite/Remote Onsite
Security Level Provisioning or higher