Cisco SPA-3XOC3-ATM-V2 Module
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The Cisco SPA-3XOC3-ATM-V2 is a triple-port OC-3/STM-1 ATM Shared Port Adapter designed for service provider and enterprise backbone networks requiring high-density cell-based transport. Each port delivers 155 Mbps full-duplex, providing an aggregate throughput of 465 Mbps. The module supports advanced ATM capabilities including VPI/VCI filtering, traffic shaping, QoS, and multiple ATM Adaptation Layers (AAL1, AAL2, AAL5) for diverse service requirements. Fully compatible with Cisco SPA-capable routing platforms, it ensures reliable optical transport over SONET/SDH infrastructure while offering modular scalability. Its design supports 24/7 high-availability operation, making it suitable for mission-critical applications where predictable performance and low latency are essential.