Working modes: full-deplexes; half duplex auto negotiation. Features: 1. Compliant with IEEE 802.3ab 1000Base-T standards for TP connection, and IEEE802.3z 1000Base-SX/LX Standards for fiber connection. 2. Provides fiber-optic port with SC connector. 3. Extends fiber-optic distance up to 550m (multi-mode) and 10km,20km,40km,80km (single mode fiber). 4. Provides 1000Mbps port with RJ-45 Connector. 5. Extends the Ethernet distance by converting UTP to Fiber-optic. 6. Status LEDs for activity & link to easily monitor network activity.