The Cisco Catalyst 4500 Series offers a variety of GBIC- or SFP-enabled gigabit solutions for high-performance Gigabit Ethernet uplinks and server farm connectivity. The five GBIC- or SFP-enabled gigabit line card options for the Cisco Catalyst 4500 Series include 2-, 6-, 18-, and 48-port versions. GBIC or SFP technology allows customers to intermix intra-building MMF connections and long-distance single-mode connections simply by changing the GBIC or SFP type.
Bandwidth is allocated across six 8-port groups, providing 1 Gbps per port group
Enterprise and commercial: Designed for fiber to the desktop
Metro Ethernet: Optimized for service aggregation and business customer connectivity, Designed for service providers to run point-to-point Gigabit Ethernet over single-mode fiber
