Cisco PA-2E3 Packet-over-E3 port adapter for the Cisco 7200, Cisco 7301, Cisco 7304, Cisco 7500, and Cisco 7600 Series router offer high-density, highly manageable E3 line termination. Demand for high- capacity corporate backbones, high- speed access to the global Internet, and trunking connections for service provider internetworking has led to growth in clear-channel E3 connections that has outpaced all other types and speeds of leased lines.
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