Ciena NTK552JT – ESAM C-Band Access Module with Oscillator

The Ciena NTK552JT is an E-Service Access Module (ESAM) designed for use with the Ciena 6500 packet-optical platform, one of the most widely deployed optical networking systems in the industry. Built for C-band operation, this module integrates advanced optical and packet functions into a compact form factor, enabling network operators to support converged services across metro, regional, and long-haul networks.

One of the unique attributes of the NTK552JT is the inclusion of a built-in oscillator, which plays a critical role in providing timing and frequency stability. This feature is essential for packet-optical networks, where synchronization directly impacts service quality for applications such as mobile backhaul, 5G transport, and financial networks that demand ultra-low latency and precise timing.

The module offers 1 × SFP interface, supporting flexible optical and service connectivity. Within the Ciena 6500 chassis, it enables seamless interworking between WDM transport, OTN switching, and Ethernet packet services, giving service providers a unified way to deliver bandwidth while optimizing power and space.

From a functionality perspective, the NTK552JT helps operators deliver:

• Converged packet-optical services in a single platform, reducing equipment sprawl.

• Future-proof scalability, as it works within the modular 6500 environment, allowing migration from 10G to 40G and even 100G+ coherent optical services.

• Operational efficiency, as the ESAM design minimizes hardware complexity at the edge.

• Resiliency, as the module supports autonomous restart functions (warm and cold), ensuring high availability even during failure or reset scenarios.

By integrating optical and packet layers, the NTK552JT is suitable for diverse use cases: carrier Ethernet aggregation, enterprise service delivery, metro packet rings, and regional long-haul optical transport. Its role is crucial for operators modernizing their infrastructures toward 5G, cloud interconnects, and software-defined optical networks.

In summary, the Ciena NTK552JT ESAM is more than just an access module — it is a foundational building block for converged networks, offering synchronization, flexibility, and efficiency in the C-band spectrum, while extending the value of the Ciena 6500 packet-optical platform.

Key Features & Benefits

• ESAM C-Band module with built-in oscillator .

• 1 × SFP port interface for packet or control plane link .

• Compatible with Ciena 6500 chassis and packet-optical systems.

• Supports convergence of optical & packet services (e.g. WDM, GigE, 100G).

• Provides timing / oscillator function useful for network synchronization

Technical Specifications

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