Fujitsu PRIMERGY RX4770 M6 Upgrade And Maintenance Manual page 186

Expansion cards and backup units
Figure 92: Removing the SFP+ transceiver module
▶ Pull the SFP+ transceiver module out of its socket connector.
▶ Attach the protective cap to the SFP+ transceiver module.
Place the removed SFP+ transceiver module in an antistatic bag or
other protective environment.
186 Upgrade and Maintenance Manual RX4770 M6