Cisco ASR1000-SIP40 SPA Interface Processor Line Card

The Cisco ASR1000-SIP40 SPA Interface Processor Line Card is a high-throughput expansion module for Cisco ASR 1000 Series routers, delivering up to 40 Gbps of throughput to support shared port adapter (SPA) interfaces. Commonly installed in service provider networks, enterprise WAN infrastructures, and data center edge routing platforms requiring scalable high-speed interface connectivity, this router line card provides 4 x Shared Port Adapter slots and is designed to enable scalable interface expansion and flexible WAN connectivity for enterprise networks and service provider deployments. It carries the Manufacturer Part Number ASR1000-SIP40 and is compatible with Cisco ASR 1000 Series Routers. Typical uses include network expansion, interface upgrades, replacement of existing line cards, and deployment of additional WAN connectivity options across distributed environments. Common replacements include Cisco ASR1000-SIP10, SIP20, and SIP30 Interface Processors, reflecting its role in scalable, modular WAN edge deployments.