Fujitsu PRIMERGY TX2550 M4 Upgrade And Maintenance Manual page 302

Expansion cards and backup units
Figure 210: Removing the SFP+ transceiver module
Ê Pull the SFP+ transceiver module out of its socket connector.
Ê Attach the protective cap to the SFP+ transceiver module.
I
Place the removed SFP+ transceiver module in an antistatic bag or
other protective environment.
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Upgrade and Maintenance Manual TX2550 M4