Cisco ONS 15310-MA SDH, Руководство по процедурам, Страница: 364 / 632

16-74
Cisco ONS 15310-MA SDH Procedure Guide, Release 9.1 and Release 9.2
78-19416-01
Chapter 16 DLPs H1 to H99
DLP-H55 Path Protection Switching Test
Note Although a service interruption under 60 ms might occur, the test circuit should continue to work before,
during, and after the switches. If the circuit stops working, do not continue. Contact your next level of
support.
Step 1 From the View menu, choose Go to Network View .
Step 2
Right-click a network span and choose Circuits .
The Circuits on Span dialog box displays the path protection circuits, including circuit names, locations,
and a color code showing which circuits are active on the span.
Step 3
Initiate a Force switch:
a. Click the Perform path protection span switching field and choose FORCE SWITCH AWAY
from the drop-down list.
b.
Click Apply .
c. In the Confirm Path Protection Switch dialog box, click Yes .
d.
In the Protection Switch Result dialog box, click OK .
In the Circuits on Span dialog box, the Switch State for all circuits is Force. Unprotected circuits will
not switch.
Step 4
Clear the Force switch:
a. Click the Perform Path Protection span switching field and choose CLEAR from the drop-down
list.
b.
Click Apply .
c. Click Yes to confirm.
d.
In the Confirm Path Protection Switch dialog box, click Yes .
e.
In the Protection Switch Result dialog box, click OK .
In the Circuits on Span window, the Switch State for all Path Protection circuits is CLEAR.
Step 5 Return to your originating procedure (NTP).
Purpose This task verifies that a path protection span is switching correctly.
Tools/Equipment None
Prerequisite Procedures DLP-H29 Log into CTC, page 16-43
Required/As Needed Required
Onsite/Remote Onsite or remote
Security Level Provisioning or higher