SFP M1000 LX MiniGBIC SFP Transceiver. The SFP M1000 LX is an easy-to-install Mini-GBIC (SFP) transceiver module that provides a simple way to add 1000BASE functionality to your Asante managed switch. The module operates at a wavelength of 1310 nm and supports multi-mode fiber optic cabling. In a typical operating environment, it can achieve distances up to 10 Kilometers depending on the total attenuation in the fiber plant. SFP M 1000 LX is mainly used within a building or in small campus networks needing 1000Mbps connectivity between sites.