The Cisco SPA112 is a compact, reliable Analog Telephone Adapter (ATA) with two FXS ports, ideal for integrating legacy analog phones into VoIP networks, offering excellent voice quality and easy configuration—perfect for cost-conscious buyers seeking used networking solutions.

The Cisco SPA-8XCHT1/E1-V2 is a high-density, 8-port T1/E1 Shared Port Adapter designed for efficient voice and data aggregation, ideal for scalable enterprise and service provider networks seeking reliable used hardware solutions.

The Cisco SPA-8X1GE-V2 is a high-performance 8-port Gigabit Ethernet Shared Port Adapter designed for Cisco ASR 1000 Series routers, offering reliable scalability and efficient data throughput—ideal for expanding network capacity in enterprise environments.