The Luxul 10G-SM-SX-LC is one pair of 10 Gb Bi-directional Simplex SFP+ SMF SX LC tranceiver modules designed for use with Luxul Ethernet switches that have an SFP+ port. These modules are LC (Lucent Connector) format Small Form-Factor Pluggable+ (SFP+) operates at 1270/1330nm wavelength in Simplex (SX) mode to provide 10 Gigabit connectivity at distances up to 20 kilometers when using OS2 Single-Mode (SMF) fiber optic cable. It is provided particularly for connecting Luxul managed switches that have 10 Gigabit uplink/stacking ports.