Cisco 4OC12X ATM-MM-SC is a four-port OC-12 STM-4 ATM multimode line card with SC connectors. This ATM line card supports multimode fiber optical links at OC-12 rates and is designated as an ISE Line Card for Cisco deployments. The module's ATM-MM-SC designation emphasizes its ATM functionality over multimode fiber and SC fiber connectivity in Cisco networks.
