Designed for deployment in wiring closets, high-density Cisco Catalyst 6500 Series Classic interface modules provide line-rate 10/100 Ethernet forwarding and gigabit bandwidth to the desktop capabilities. These interface modules feature PoE field-installable daughter cards for pay-as-you-grow investment protection and flexibility.The 96 port 10/100 module WS-X6196-21AF is the industry's first 96-port 10/100 RJ-21 module with IEEE 802.3af support for all 96 ports, helping enable the Cisco Catalyst 6500 Series to deliver the industry's highest port densities ranging from 192 10/100 ports in a Cisco Catalyst 6503 chassis to 1152 10/100 ports in a Cisco Catalyst 6513 chassis for a very cost-effective solution in the wiring closet.