Standards, Protocols, and Related Reading 85Media Specifications Table 9 summarizes the system’s Ethernet media options.Gigabit Ethernet Interface Converter (GBIC) ports are hot-swappable,that is, you can replace one GBIC connector while the other connectorscontinue to carry traffic.To ensure optimal compatibility, performance, and regulatory compliance,use only GBIC transceivers and conditioned launch cables that 3Comsupports. For information about currently supported GBIC specificationsand conditioned launch cables, see the 3Com Web site:http://www.3com.com/gigabit_ethernet/gbicsRelated Reading For information about Ethernet media options, see the CoreBuilder 3500Getting Started Guide.Table 9 Ethernet Media SpecificationsType Speed Media Connector Recommended Distance (max)10/100BASE-TX 10/100MbpsCategory 5 UTP RJ-45 100 m100BASE-FX 100 Mbps single-mode fibermultimode fiberSCSC20 km412 m (half-duplex)2 km (full-duplex)1000BASE-SX 1000 Mbps multimode fiber SC 220 m (62.5 micron @160 MHz*km modal bandwidth)275 m (62.5 micron @200 MHz*km modal bandwidth)500 m 50 micron @400 MHz*km modal bandwidth)550 m (50 micron @500 MHz*km modal bandwidth)1000BASE-LXGBIC1000 Mbps single-mode fibermultimode fiberGBICGBIC, with duplex SCconditioned launch cable5 km (9 micron)(qualified for up to 10 km)550 m (62.5 and 50 micron @all modal bandwidths)1000BASE-SXGBIC1000 Mbps multimode fiber GBIC 550 m (62.5 and 50 micron @all modal bandwidths)