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The Cisco Fast Ethernet Shared Port Adapters (SPAs) are available on high-end Cisco routing platforms, offering the benefits of network scalability with lower initial costs and easy upgrades. The Cisco SPA portfolio continues the company's focus on investment protection along with consistent feature support, broad interface availability, and the latest technology. The Cisco SPA portfolio allows deployment of different interfaces on the same interface processor.
Fast Ethernet interfaces are commonly used to interconnect routers or other devices within a central office or data center or in a Metropolitan-Area Network (MAN). With Cisco Fast Ethernet SPAs, users can mix and match SPA ports with other types of interfaces in the same slot. Each SPA provides standards-based Fast Ethernet implementation for compatibility and interoperability.