SFP28 Transceiver InstallationES1500 provides four (4) SFP28 ports. Follow these instructions to correctly install the SFP28 transceiver(s).Warning: Do not stare directly into cable (fiber bore) when system is powered on. Eye damage may occur.Figure 1. Put on an ESD wrist strap (or antistatic gloves).Insert the SFP28 transceiver to the guide rail inside the SFP28 port. CAUTION: Take care to not install SFP28 transceiver upside-down.Push the SFP28 transceiver along the guide rail gently until you feel the transceiver snap into place at the bottom of the SFP28 port. Note: The SFP28 transceiver is hot swappable.