Latest News:

Radisys Announces Availability of Advanced Release 16 Compliant 5G NR Software

Radisys Introduces White Box Combo PON Optical Line Terminals for Next-Gen FTTX Networks

Radisys Introduces Smart Home Solution to Enhance Service Providers’ Broadband Offerings

NTT selects Radisys’ Engage Media Server to migrate to Cloud Based Conferencing Services

Keysight’s Edge-to-core Portfolio Selected by Radisys to Create Open Radio Access Network Test Environment

Tallence Selects Radisys’ Engage Platform as Foundation for New Cloud Messaging Solution

Benetel Integrates its Radio Unit with Radisys 5G RAN Software to Enable OpenRAN Deployments

ContactMakers Selects Radisys Engage Media Server to Power Cloud-Based Customer Interaction Suite

Qualcomm and Reliance Jio Align Efforts on 5G

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Optical Line Terminals (OLTs)

Transform your fiber network with high-performance carrier-grade optical line terminals that deliver greater programmability, flexibility, scalability, and open architecture. Full PON port flexibility enables support of Combo PON, G-PON, and XGS-PON on any port for residential, cloud, and business services.

Modernize Your Network with Webscale Efficiency

Open White Box Optical Line Terminals Leveraging VOLTHA™

The Radisys series of Optical Line Terminals (OLTs) support Combo PON, G-PON, and XGS-PON with software based on VOLTHA/SEBA reference architecture. Open APIs that utilize standard interfaces for all management functions will help ease the transition to an SDN-controlled environment. Radisys OLTs leverage virtual OLT hardware abstraction for greater agility, programmability, increased automation, faster product innovation cycles, and deeper network visibility.

Adopt the finest hardware and technology with Connect Open Broadband OLTs. Modernize your network and gain flexibility with our Connect Open Broadband family of OLTs. Discover all the ways that Connect OLTs support high-capacity, open, programmable networks.

Key Benefits

High Performing and Flexible

Full PON port flexibility supports Combo PON, G-PON, and XGS-PON on any port on the same platform

Superior Programmability

Open APIs and embedded software functions enable greater agility and increased programmability

Compelling Economics

Industry-leading architecture based on VOLTHA/SEBA drives datacenter cost efficiencies with high port densities that help simplify deployments and reduce operating expenses

Future-Ready Design

Designed to support high-capacity, open, programmable networks serving residential and business end-users


Residential Broadband Access

Support quad-play services—voice, internet, TV, and home security systems—with a cloud-native framework that enables simplified management, operational efficiencies, and greater automation for faster service upgrades.

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Commercial Broadband Access

Empower your enterprise customers to run their business efficiently with dependable broadband services. Enterprise-grade broadband access for voice and data services becomes economically viable with an open and disaggregated network.

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RDOF Support

Accelerate digital evolution in underserved communities with RDOF-compliant, high-performance FTTx networks with maximum cost efficiency. Flexible deployment options for GPON, XGS-PON, ComboPON, and more enable a scalable and reliable network whose technology will last for generations.

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Featured Resources


Radisys Series Combo PON OLTs for FTTx

The RLT-3200C and RLT-1600C are optical line terminals based on the industry-standard open architecture supporting Combo PON, G-PON, and XGS-PON with software based on the VOLTHA/SEBA reference architecture.

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