Cisco ONS 15454 SDH Specifications Page 224

  • Download
  • Add to my manuals
  • Print
  • Page
    / 262
  • Table of contents
  • TROUBLESHOOTING
  • BOOKMARKS
  • Rated. / 5. Based on customer reviews
Page view 223
4-26
Cisco ONS 15454 SDH Troubleshooting and Maintenance Guide, R3.3
May 2002
Chapter 4 Maintenance
Span Upgrade
Step 12 If cards on each side of the span have been successfully upgraded, remove the forced switch:
a. In network view, right-click the span and choose Circuits.
b. In the Circuits on Span dialog box, choose CLEAR in the Switch All MSP Circuits Away list box.
c. Click Apply.
Procedure: Manually Upgrade a Span on a 1+1 group
When upgrading a 1+1 group, upgrade the working and protect lines regardless of which line is active.
Both lines in a 1+1 group must be upgraded before added bandwidth will be available.
Step 1 Ensure no alarms or abnormal conditions are present on the span to be upgraded.
Step 2 In the node view of the CTC software, click the Conditions tab
Step 3 Click Retrieve Conditions.
Step 4 Apply a forced switch on the ports that you will upgrade:
a. In node view, click the Maintenance > Protection tabs.
b. Under the Protection Groups list box, choose the 1+1 protection group.
c. Under the Selected Group list box, choose the protect port (whether it is active or standby).
d. In the Switch Commands dialog box, click Force.
e. In the confirmation dialog box, click Yes .
Step 5 Remove the fiber from both nodes and ensure that traffic is still running.
Step 6 Pull the STM-N cards from both nodes.
Step 7 In node view, right-click each STM-N card slot and choose Change Card.
Step 8 In the Change Card dialog box, choose the new STM-N card type.
Step 9 Click OK.
Step 10 Insert the new STM-N cards in both nodes.
Step 11 Install the fibers at both ends.
Step 12 Wait for the IMPROPRMVL alarm to clear and for the card to become standby.
Step 13 If cards on each side of the span have been successfully upgraded, remove the forced switch:
a. In node view, click the Maintenance > Protection tabs.
b. Under the Protection Groups list box, choose the 1+1 protection group.
c. Under the Selected Group list box, choose the Protect port.
d. In the Switch Commands dialog box, click Clear.
Purpose Upgrading a span on a 1+1 group manually
Tools/Equipment
Prerequisite procedures
Required/As Needed As needed
On Site/Remote On Site
Page view 223
1 2 ... 219 220 221 222 223 224 225 226 227 228 229 ... 261 262

Comments to this Manuals

No comments