Extreme Networks 10/100/1000BASE-T industrial grade SFP GBIC operates at wide temperature range of (-40C to 85C) and provides high performance, 1Gb/s using Category 5 copper link that spans up to 100m in length. Extreme Networks SFP GBIC is ideal for full-duplex Gigabit Ethernet connectivity to high-end workstations and wiring closets utilizing existing copper network infrastructure.Extreme Networks optics are thoroughly tested and are subject to an extensive qualification process before being considered certified to work in Extreme Networks IO modules and switches. Only proven, qualified vendors are chosen to assist in providing an end-to-end optical solution.