Compare Cisco (PA-4C-E) Expansion Module to Cisco (WS-X6101-OC12-SMF-RF) Expansion Module

Cisco is the worldwide leader in networking for the Internet. Cisco's Internet Protocol-based (IP) networking solutions are the foundation of the Internet and most corporate, education, and government networks around the world. Cisco provides the broadest line of solutions for transporting data, voice and video within buildings, across campuses, or around the world. Today, the Internet and computer networking are an essential part of business, learning and personal communications and entertainment. Virtually all messages or transactions passing over the Internet are carried quickly and securely through Cisco equipment. Cisco solutions ensure that networks both public and private operate with maximum performance, security, and flexibility. Less

Deployable across the Catalyst 6000 family of switches, new Asynchronous Transfer Mode (ATM) OC-12 dual-PHY uplink modules from Cisco Systems deliver high-speed Layer 2 and Layer 3 connectivity across ATM networks. Support for both ATM Forum standard LAN Emulation (LANE) and Multiprotocol over ATM (MPOA) enables the Catalyst 6000 Family of switches to connect to ATM backbones, providing scalable, intelligent switching with value-added high availability services. Service Provider and Enterprise customers alike can take advantage of support for RFC 1483 Permanent Virtual Circuits (PVC's) with traffic shaping to extend transparent LAN services across wide area ATM networks. In addition, future support for end-to-end Quality of Service (QoS) will enable enterprise voice solutions and services to seamlessly coexist between Ethernet and ATM backbones. Less