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Cisco ONS 15454 SDH Procedure Guide, R7.0
78-17194-01
Chapter 17 DLPs D1 to D99
DLP- D43 Initiate an Optical Protection Switch
Note The OC3IR/STM1SH 1310-8 (multiport) card faceplate has eight ports.
Step 2 Gently insert the cable connector into the faceplate connection point until the connector snaps into place.
Step 3 Connect the fiber optic cable to the STM-N card. Figure 17-8 shows the cable location.
Figure 17-8 Installing Fiber-Optic Cables
Step 4
Return to your originating procedure (NTP).
DLP-D43 Initiate an Optical Protection Switch
Step 1 In node view, click the Maintenance > Protection tabs.
Step 2 In the Protection Groups area, select the protection group you want to switch.
Step 3 In the Selected Group area, select the card and port you want to switch.
Step 4 Click Manual or Force.
If you choose a Manual switch, the command will switch traffic only if the path has an error rate less
than the signal degrade (SD) bit error rate threshold. A Force switch will switch traffic even if the path
has SD or signal fail (SF) condition; however, a Force switch will not override an SF on a 1+1 protection
channel. A Force switch has a higher priority than a Manual switch.
Purpose This procedure explains how to initiate a Manual or Force switch on an
optical port.
Tools/Equipment None
Prerequisite Procedures DLP-D60 Log into CTC, page 17-49
Required/As Needed As needed
Onsite/Remote Onsite or remote
Security Level Maintenance or higher
Tx
Rx
FAIL
ACT
SF
32082
Front edge of card
SC cable connector
SC faceplate connector
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