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Cisco ONS 15310-MA SDH Procedure Guide, Release 9.1 and Release 9.2
78-19416-01
Chapter 18 DLPs H200 to H299
Step 9
Complete the
“DLP-H19 Install Fiber-Optic Cables for Path Protection Configurations” task on
to attach the fiber to the cards. Wait for the IMPROPRMVL alarm to clear and the cards to
become active.
Step 10
Complete the
“DLP-H167 Clear a Path Protection Force Switch” task on page 17-59
when cards in both
endpoint nodes have been successfully upgraded and all the facility alarms (LOS, SD, or SF) are cleared.
Step 11
Return to your originating procedure (NTP).
DLP-H293 Perform a Manual Span Upgrade on a 1+1 Protection Group
Warning
Do not reach into a vacant slot or chassis while you install or remove a module or a fan. Exposed
circuitry could constitute an energy hazard.
Statement 206
Step 1
Initiate a Force switch on the ports you will upgrade, beginning with the protect port:
Note
If the switching mode is bidirectional in the 1+1 protection group, apply the Force command to
only one end of the span. If the Force command is applied to both ends when the switching mode
is bidirectional, it will cause a switch of more than 50 ms in duration.
a.
In node view, click the
Maintenance
>
Protection
tabs.
b.
Choose the protection group from the Protection Groups area. In the Selected Group area, the
working and protect spans appear.
c.
In the Selected Group area, click the protect STM-N port.
d.
In Switch Commands, choose
Force
.
e.
Click
Yes
in the confirmation dialog box.
FORCE-SWITCH-TO-WORKING appears next to the forced span.
Step 2
Repeat
for each port you will upgrade.
Step 3
Remove the fiber from both ends of the span and ensure that traffic is still running.
Step 4
Remove the STM-N cards from both span endpoints.
Step 5
At both ends of the span, in node view, right-click the STM-N slot and choose
Change Card
.
Step 6
In the Change Card dialog box, choose the new STM-N card type.
Step 7
Click
OK
.
Purpose
This task upgrades a 1+1 protection group span. To downgrade an
optical span, repeat this task but choose a lower-rate card in
Tools/Equipment
Higher-rate cards
Compatible hardware necessary for the upgrade
Prerequisite Procedures
DLP-H29 Log into CTC, page 16-43
Required/As Needed
As needed
Onsite/Remote
Onsite
Security Level
Provisioning or higher
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