The Cisco Catalyst 6500 Series Ethernet and Fast Ethernet switching modules offer unparalleled physical interface flexibility, and support wire-speed, switched connectivity for unshielded twisted-pair (UTP), shielded twisted-pair (STP), and fiber-optic cable. Up to 12 48-port 10/100 modules can be added to a Cisco Catalyst 6500 Series platform representing industry-leading performance and scalability for the customers.48-port 10/100 Ethernet modules can be field-upgradeable to support Cisco Inline Power to provide a seamless data/voice converged solution, and are designed to support future upgrade to IEEE 802.3af inline power standard for maximum investment protection.