Extreme Networks 10/100/1000BASE-T industrial-grade SFP GBIC operates over a wide temperature range of -40 °C to 85 °C and delivers high performance of 1 Gb/s over a Category 5 copper connection, which can be up to 100 meters long. The Extreme Networks SFP GBIC is ideal for full-duplex Gigabit Ethernet connectivity to high-performance workstations and wiring closets that utilize the existing copper network infrastructure. Extreme Networks optics are thoroughly tested and undergo an extensive qualification process before being certified to work in Extreme Networks' IO modules and switches. Only proven, qualified vendors are selected to provide an end-to-end optical solution.