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Cisco ONS 15454 SDH Procedure Guide, R7.2
October 2007
Chapter 19 DLPs D200 to D299
DLP- D297 Perform a Manual Span Upgrade on an Unprotected Span
Step 9 Verify that the transmit signal falls within the acceptable range. See Table 2-4 on page 2-17 for STM-N
card transmit and receive levels.
Step 10 Complete the “NTP-D19 Install Fiber-Optic Cables on Optical Cards” procedure on page 2-16 to attach
the fiber to the cards. Wait for the IMPROPRMVL alarm to clear and the cards to become active.
Step 11 When cards on each end of the span have been successfully upgraded and all the facility alarms (LOS,
SD, or SF) are cleared, remove the Force switch:
a. In node view, click the Maintenance > Protection tabs.
b. In the Protection Groups area, click the protection group that contains the card/port you want to
clear.
c. In the Selected Group area, click the card you want to clear.
d. In the Switch Commands area, choose Clear.
e. Click Yes in the confirmation dialog box.
Step 12 Repeat this task for any other spans in the 1+1 linear configuration.
Step 13 Return to your originating procedure (NTP).
DLP-D297 Perform a Manual Span Upgrade on an Unprotected Span
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
Caution Upgrading unprotected spans will cause all traffic running on those spans to be lost.
Caution Removing the fiber will cause all traffic on the unprotected span to be lost.
Step 1 Remove the fiber from both endpoint nodes in the span.
Step 2 Remove the STM-N cards from both span endpoints.
Step 3 For both ends of the span, in node view, right-click each STM-N slot and choose Change Card.
Step 4 In the Change Card dialog box, choose the new STM-N type.
Step 5 Click OK.
Purpose This task manually upgrades unprotected spans to a higher optical rate.
Tools/Equipment Higher-rate cards
Compatible hardware necessary for the upgrade
Prerequisite Procedures DLP-D60 Log into CTC, page 17-49
Required/As Needed As needed
Onsite/Remote Onsite
Security Level Provisioning or higher