- Port OC-3c/STM-1c POS Shared Port Adapter
- Expansion module
- fiber optic
- 2 ports
- for Cisco 7304
A SPA is a modular type of port adapter that inserts into a subslot of a compatible SIP carrier card to provide network connectivity and increased interface port density. The Cisco 2-Port OC-3 POS SPAs are available on high-end Cisco Systems routing platforms offering the benefits of network scalability with lower initial costs and ease of upgrades.