Cisco SPA-4XCT3/DS0 4-Port Channelized T3 WAN Adapter

• Telecom carrier TDM aggregation networks.
• Legacy voice transport infrastructure.
• Enterprise leased-line connectivity services.
• IP/MPLS migration projects.
• Service provider edge deployments.
• Network modernization initiatives.
• High-density WAN access environments.
• Multi-site enterprise communications.
• Telecom backbone integration.
• Carrier-grade transport service delivery.

• Enables consolidation of multiple WAN circuits while reducing infrastructure complexity.
• Supports granular service provisioning for voice and legacy applications.
• Delivers seamless integration within Cisco carrier-grade routing environments.
• Maximizes interface scalability without consuming excessive chassis resources.
• Improves network stability for critical telecom and transport services.
• Supports demanding uptime requirements in service provider deployments.
• Protects existing investments while supporting modernization strategies.
• Reduces maintenance windows and minimizes service interruptions.
• Supports network growth without significant hardware redesign.
• Provides dependable connectivity for business-critical communication services.

• Brand: Cisco
• Model: SPA-4XCT3/DS0
• Product Type: Shared Port Adapter (SPA)
• Adapter Type: WAN Interface Module
• Ports: 4 × Channelized T3 (DS3) Ports
• Channelization Level: DS0
• Interface Type: T3 / DS3 WAN
• Network Technology: TDM
• Architecture: Shared Port Adapter Architecture
• Compatibility: Cisco ASR 9000 Series Routers
• Form Factor: SPA Module
• Timing Support: Advanced Clocking and Synchronization
• Traffic Management: Carrier-Class Traffic Handling
• Supported Services: Voice, Data, and Leased-Line Services
• Service Migration Support: TDM to IP/MPLS Migration
• Scalability: High-Density WAN Connectivity
• Deployment Environment: Service Provider and Enterprise Networks

WHY CHOOSE THIS PRODUCT?

• Preserves legacy TDM infrastructure investments while enabling modernization.
• Provides DS0-level flexibility for customized service provisioning.
• Increases WAN interface density without additional chassis expansion.
• Supports carrier-grade reliability for mission-critical operations.
• Simplifies migration toward scalable IP/MPLS architectures.
• Reduces operational downtime through hot-swappable deployment.
• Integrates seamlessly with Cisco ASR 9000 routing platforms.
• Delivers long-term ROI for telecom and enterprise WAN environments.