Cisco 1-port Channelized OC12/STM-4 Shared Port Adapter - For Data Networking, Optical Network - 1 OC-12/STM-4 Network - Optical FiberFast Ethernet - OC-12/STM-4 SPA-1XCHOC12DS0-RF

The Cisco 1-Port Channelized OC-12/STM-4 SPA is available on high-end Cisco routing platforms offering the benefits of network scalability with lower initial costs and ease of upgrades. The Cisco SPA/SIP portfolio continues the Cisco focus on investment protection along with consistent feature support, broad interface availability, and the latest technology. The Cisco SPA/SIP portfolio allows different interfaces (Packet over SONET/SDH [POS], ATM, Ethernet, etc.) to be deployed on the same interface processor.