Cisco NCS55A1 Fixed 48X25G & 6X100G Chassis

• High port density for rapid scale: 48 x 25G data ports paired with 6 x 100G uplinks, enabling flexible traffic engineering and efficient aggregation at the network edge.
• Fixed chassis design for predictable deployment and lower total cost of ownership: fewer moving parts, simplified field maintenance, and faster integration into existing environments.
• Optimized for mobile data traffic: designed to handle bursts, low latency requirements, and high-throughput workloads common in 4G/5G backhaul, edge routing, and mobile core peering.
• Robust software and security capabilities: integrated Cisco software features deliver advanced traffic management, QoS, analytics, and security protection to safeguard critical applications.
• Future‑proof scalability and flexible deployment: supports evolving transport needs and service mix, enabling operators to extend life cycles and maximize infrastructure investments.

Technical Details of Cisco NCS55A1 Fixed 48X25G & 6X100G Chassis

• Ports and bandwidth: 48 x 25G data ports with 6 x 100G uplink ports to support high-speed interconnects and dense service delivery.
• Chassis form factor: Fixed chassis designed for reliable, space-efficient deployments in edge and aggregation layers.
• Target applications: Ideal for mobile backhaul, edge routing, data center interconnect, and service node consolidation where dense 25G access and 100G backhaul are required.
• Management and analytics: Advanced Cisco management capabilities provide secure access, telemetry, and policy-driven automation to simplify operations and accelerate service rollouts.
• Power and cooling considerations: Optimized for efficient operation in typical data-center and network environments; detailed specifications available in the official documentation.

How to install Cisco NCS55A1 Fixed 48X25G & 6X100G Chassis

Prepare the installation site by ensuring adequate rack space, power reliability, and cooling capacity appropriate for dense 25G/100G deployments. Confirm compatibility with existing fabric, controller, or spine-leaf topology and have the required Cisco software licenses ready for initial provisioning. Follow these high‑level steps to deploy the NCS55A1:

1) Mount the chassis in a standard 19-inch rack, aligning all mounting points securely and ensuring proper ventilation around the unit. Connect the chassis to a stable power source that meets the specified voltage and current requirements.

2) Cable the 48 x 25G data ports to your near-end devices or line cards, preserving color-coding and documentation for easy troubleshooting and future expansion. Attach the 6 x 100G uplinks to aggregation switches or spine devices, following your planned topology to minimize latency and maximize path diversity.

3) Power up the chassis and connect to a management host or console. Use the Cisco management interface to initialize the device, apply licensing, and import or register the device in your centralized network management system.

4) Configure basic network parameters, including device hostname, management access, NTP/time synchronization, and security policies. Proceed with more advanced configurations for QoS, routing, segmentation, and service policies as required by your deployment.

5) Validate connectivity and performance with a staged test plan. Verify reachability between data-plane ports, ensure uplink paths are correctly learned, and monitor latency, jitter, and throughput against your service-level objectives. Schedule ongoing monitoring and firmware updates to maintain security and feature parity.

Frequently asked questions

• Q: What is the primary use case for the Cisco NCS55A1 Fixed 48X25G & 6X100G Chassis?

  A: It is optimized for dense 25G data traffic with high-speed 100G uplinks, making it well suited for mobile backhaul, edge routing, metro aggregation, and data center interconnect deployments where cost efficiency and scalable performance are essential.

• Q: How many 25G ports and 100G uplinks does the chassis provide?

  A: The chassis provides 48 fixed 25G data ports and 6 uplink ports at 100G, delivering a balanced mix of access density and backbone capacity.

• Q: Is the NCS55A1 chassis designed for future growth?

  A: Yes. The fixed chassis is built to support evolving transport needs and service profiles, enabling network operators to scale while preserving existing investments.

• Q: What kind of management features can I expect?

  A: The chassis includes Cisco-managed software with telemetry, security controls, and policy-based automation designed to simplify deployment, monitoring, and ongoing operations.

• Q: Where can I find official specifications and firmware?

A: Official specifications, licensing details, and firmware updates are published by Cisco and the vendor portal referenced in product documentation. Consult your procurement contact or Cisco support for the latest files and compatibility guidance.