Description
Cisco N520-X-4G4Z-D Technical Overview
The Cisco N520-X-4G4Z-D is a high-performance network interface module designed specifically for the Cisco Network Convergence System (NCS) 520 series. This hardware component facilitates advanced service aggregation and mobile backhaul by providing high-density connectivity options for enterprise and service provider environments. The N520-X-4G4Z-D integrates seamlessly into the modular chassis to extend the routing capabilities of the platform. Engineers utilize this module to manage complex traffic flows while maintaining rigorous carrier-grade reliability.
The architecture of the N520-X-4G4Z-D supports versatile port configurations to accommodate diverse fiber-optic requirements across the network edge. By leveraging this module, administrators can scale bandwidth capacity without requiring a full system overhaul. The N520-X-4G4Z-D ensures interoperability with existing Cisco IOS-XR software, streamlining the deployment of layer 2 and layer 3 services. This unit is essential for maintaining consistent performance metrics in high-demand switching environments.
Cisco N520-X-4G4Z-D Technical Specifications
- Data Rates: Supports multi-rate connectivity including 1GbE and 10GbE interfaces to ensure flexible bandwidth allocation.
- Wavelength: Compatible with a wide range of SFP and SFP+ optical transceivers, supporting both short-reach and long-reach wavelength deployments.
- Platform Compatibility: Engineered for native integration within the Cisco NCS 520 series chassis to maintain hardware-level synchronization.
- Latency: Optimized for low-latency packet forwarding, ensuring minimal jitter for time-sensitive synchronization and data traffic.
Buy or Sell Cisco N520-X-4G4Z-D
- For Buyers: ROC Telecom provides rigorously tested, Cisco-compatible hardware for rapid network expansion or as a mission-critical spare. Our field-tested units ensure uptime without OEM lead times.
- For Sellers: We offer competitive buyback quotes, instant payment, and prepaid shipping for decommissioned N520-X-4G4Z-D units and other Cisco surplus.

