Cisco 4-Port OC-48c/STM-16c POS/RPR Shared Port Adapter - expansion module - 4 ports

The Cisco 4-Port OC-48c/STM-16c POS/RPR SPA is available on high-end Cisco routing platforms and offers the benefits of network scalability with lower initial costs and easy upgrades. The SPA continues the Cisco focus on investment protection along with consistent feature support, broad interface availability, and leading-edge technology. The SPA allows different interfaces (POS, ATM, etc.) to be deployed on the same carrier card.