The Cisco Catalyst 6500 Series provides the broadest selection of 10/100 and 10/100/1000 Ethernet media, Power over Ethernet (PoE) (inline power) options, densities, performance, interoperability, and chassis deployment options. From basic wiring closets and small campus distribution and core layers to high-performance data centers, the Cisco Catalyst 6500 Series 10/100BASE-TX modules scale from 16 ports up to 1152 ports, and the 10/100/1000BASE-TX modules scale from 16 ports up to 576 ports in a single Cisco Catalyst 6500 Series chassis. Cisco Catalyst 6500 Series10/100 and 10/100/1000 modules are the key enablers of a Borderless Network access solution. Cisco with the Catalyst 6500 is the best choice for architecting and deploying holistic, cost-effective network access architecture. Securely connecting to anyone, anywhere, using any device. These modules are available in copper unshielded twisted-pair (UTP) and shielded twisted-pair (STP) using RJ-45 or RJ-21 making it the most widely deployed Cisco IP Telephony port enabled campus switch.