To connect an optical cable to an SFP module, use the appropriate patch cord (e., LC-LC, SC-LC, etc. The patch cord must match the fibre type – single-mode or multi-mode. Align the SFP module with the optical port and insert it horizontally, pressing firmly until the bottom of the module engages with the locking spring of the optical interface. Figure 1 SFP Optical Module Installation. Small Form-factor Pluggable modules (SFP module) are the workhorses of modern network connectivity, enabling flexible fiber optic or copper links between switches, routers, firewalls, and servers. Whether you're upgrading bandwidth, replacing a faulty unit, or reconfiguring your topology, knowing. This article describes steps to perform when SFP/SFP+ fiber link is not coming up. Scope FortiSwitch and FortiGate. Installation Tips for. SFP, SFP+, SFP28, QSFP, and QSFP28 are hot-swappable modules. To ensure device safety and facilitate routine maintenance, do not remove dust plugs from optical fiber ports before connecting them, and clearly mark TX/RX ports on. NOTE: An SFP module is a hot-pluggable device; therefore, there is no need to power down the appliance when installing or removing a module.