Fujitsu PRIMERGY RX2520 M4 Upgrade And Maintenance Manual page 206

Expansion cards and backup units
Figure 115: Removing the SFP+ transceiver module
Ê Pull the SFP+ transceiver module out of its socket connector.
Ê Attach the protective optical port plug to the transceiver optical bores.
I
Place the removed SFP+ transceiver module in an antistatic bag or
other protective environment.
206 Upgrade and Maintenance Manual
RX2520 M4