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Swedish-branded PAM4 optical switch

ODN and passive infrastructure knowledge brief Published 25 Sep 2024

Prepared for preliminary research by the GESTIONVAL ODN knowledge desk. Confirm network topology, split ratio, box or cabinet capacity, joint closure rating and loss budget against current standards and product documentation.

The Smartoptics DCP-M8-PAM4 is a Swedish-designed 8-channel DWDM optical switch supporting 100G PAM4 traffic for modern data center interconnects.Overview

The DCP-M8-PAM4 from Smartoptics is a high-performance optical switch designed for data center interconnect (DCI) applications. It supports 8 channels of 100G PAM4 traffic and can handle mixed traffic types including PAM4, NRZ, and coherent 100/400G channels, making it highly versatile for metro and regional networks (Smartoptics Reseller) . Unlike passive multiplexers, it actively monitors traffic, amplifies signals for longer distances, and simplifies network management with plug-and-play usability.

Key Features
  • Channel Support: 8-channel DWDM, expandable to 40 channels in other models.
  • Traffic Compatibility: 100G PAM4, NRZ, and coherent 100/400G protocols.
  • Distance: Supports open line systems up to 80 km, suitable for short- and medium-range DCI links.
  • Open Networking: Fully compatible with multiple DCI protocols, reducing vendor lock-in and increasing flexibility.
  • Integration: Works with major network and storage providers like Cisco, HPE, Dell EMC, and Brocade.
  • Form Factor: Compact design similar to passive multiplexers but with active monitoring and amplification capabilities.
PAM4 Technology

PAM4 (4-level Pulse Amplitude Modulation) doubles the data rate per lane compared to traditional NRZ signaling by encoding two bits per symbol. This allows higher bandwidth utilization and cost-efficient high-speed transmission, which is critical for 400G, 800G, and beyond in modern data centers (Huawei White Paper) . PAM4 is widely used in optical transceivers and switches to meet the growing demands of AI, cloud, and 5G networks (Marvell PAM4 DSPs) .

Applications
  • Data Center Interconnects (DCI): High-speed links between data centers.
  • Metro and Regional Networks: Flexible deployment for enterprise and telecom networks.
  • Cloud and AI Infrastructure: Supports high-bandwidth, low-latency optical interconnects.
  • Open Networking Environments: Enables multi-vendor interoperability and reduces operational costs.
Additional Considerations

Smartoptics, founded in 2006 in Scandinavia, emphasizes open networking standards and provides both hardware and software solutions for optical networks. Their PAM4 switches are designed to integrate seamlessly with modern optical modules, including SFP-DD and OSFP PAM4 transceivers, supporting short- and medium-reach high-speed links (Fivesunsecoenergy) . In summary, the Smartoptics DCP-M8-PAM4 is a robust, Swedish-branded optical switch optimized for high-speed PAM4 traffic, offering flexibility, scalability, and compatibility for modern data center and telecom networks.

Swedish-branded PAM4 optical switch - GESTIONVAL ODN INFRASTRUCTURE S.L. [PDF]

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This reference is intended for preliminary ODN and passive infrastructure research. Topology, split ratio, box or cabinet capacity, closure rating, cable type, test limits and applicable standards must be verified for the specific project.

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