The Cisco 7304 Port Adapter Carrier Card combines the industry-proven Cisco 7200 and 7500 series port adapters with the performance and scalability of the Cisco 7304 Router. ??Each Cisco 7304 Port Adapter Carrier Card can accept one Cisco 7200 and 7500 series WAN/LAN port adapters and with an innovative architecture adapts the port adapter so that it integrates with the Cisco 7304 advanced processing architecture. The flexible media and technology support provides a wide array of connectivity options to enable delivery of next-generation applications while providing an easy migration path for existing networks.