17-91
Cisco ONS 15454 Procedure Guide, R5.0
March 2005
Chapter 17 DLPs A1 to A99
DLP-A92 Four-Fiber BLSR Exercise Span Test
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 22 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 23 Verify the BLSR line status on each node:
a. From the View menu, choose Go to Node View.
b. Click the Maintenance > BLSR tabs.
c. Verify that the line states are shown as Act/Stby on both the east and west sides of each node in the
ring.
Step 24 From the File menu, choose Close to close the BLSR window.
Step 25 Return to your originating procedure (NTP).
DLP-A92 Four-Fiber BLSR Exercise Span Test
Step 1 From the View menu, choose Go to Network View.
Step 2 Click the Provisioning > BLSR tabs.
Step 3 Click the BLSR you will exercise, then click Edit.
Step 4 Exercise the west span:
a. Right-click the west port of the four-fiber BLSR node that you want to exercise and choose Set West
Protection Operation. (To move a graphic icon, press Ctrl while you drag and drop it to a new
location.)
Note The squares on the network map represent ports. Right-click a working port.
b. In the Set West Protection Operation dialog box, choose EXERCISE SPAN from the drop-down
list.
c. Click OK. In the Confirm BLSR Operation dialog box, click Yes.
On the network view graphic, an E appears on the BLSR channel where you invoked the exercise.
The E will appear for 10 to 15 seconds, then disappear.
Purpose This task exercises a four-fiber BLSR span. Ring exercise conditions
(including the K-byte pass-through) are reported and cleared within 10 to
15 seconds.
Tools/Equipment None
Prerequisite Procedures DLP-A60 Log into CTC, page 17-66
Required/As Needed Required
Onsite/Remote Onsite
Security Level Provisioning or higher
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