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Cisco MGX 8850 (PXM1E/PXM45), Cisco MGX 8950, Cisco MGX 8830, and Cisco MGX 8880 Configuration Guide
Release 5.0.10, OL-3845-01 Rev. B0, August 16, 2004
Chapter 10 Switch Maintenance Procedures
Replacing Cards
Figure 10-2 Standby SFP-8-155 Back Card with SC Conversion Cable
Step 3
After you have installed the second SFP-8-155 back card, install the SC conversion cable or cables into
the appropriate FRU or FRUs, just as you did in Step 2. The configuration should look similar to
.
Figure 10-3 Both SFP-8-155 Back Cards with SC Conversion Cables
If the upgraded SFP-8-155 back cards connect to CPE that is already using LC cables, you still need to
use SC conversion cables. Without the SC conversion cables, you can not do a graceful upgrade and
traffic will be interrupted. This is because the CPE at the other end of the original SC connection has an
LC to SC conversion cable. If you want to upgrade to a straight LC cable, you will have to disconnect
the original SC conversion cable, and this will interrupt traffic.
SFP-8-155
back card
LC
SC
PXM1E-4-155
back card
SC
SC cable
SC conversion
cable
9
3339
SFP-8-155
back card
LC
SC
SFP-8-155
back card
LC
SC
SC cable
SC conversion
cable
9
3340