Radisys aims white box combo PON OLT at FTTX networks

July 14, 2021
Broadband service providers can leverage the company's open and disaggregated Combo PON Optical Line Terminal (OLT) to provide support for both GPON and XGS-PON services on the same fiber.

Radisys this week introduced the Radisys Combo PON Optical Line Terminal (OLT) as part of the company's Connect Open Broadband portfolio for broadband service providers.

The complete family of Radisys OLTs includes 16 and 32-port versions—a variant of which is the Radisys white box Combo PON OLT that supports both G-PON (2.488 Gbps downstream / 1.244 Gbps upstream) and XGS-PON (10 Gbps symmetrical) within the same PON port of the OLT.

The company says the new white box OLTs are based on the VOLTHA/SEBA reference architecture and are field-hardened and scaled for commercial deployments today.

“Radisys’ Combo PON OLTs give broadband providers an optimal economic advantage with the flexibility to use both G-PON and XGS-PON in their networks and through a reduction in space and power consumption,” said Harris Razak, senior vice president of Broadband Access, Radisys. “All products in the Connect Open Broadband portfolio utilize the same management system and controlling software, allowing our provider customers to choose the features and capacity they want while keeping other network elements the same, lowering their total cost of ownership and optimizing their capex and opex.”

As noted by Radisys, a growing number of global service providers are moving forward with XGS-PON as their next-generation PON technology of choice. Meanwhile, analyst firm Dell-Oro Group predicts XGS-PON will be the favored PON technology for the future.

Radisys says its Combo PON OLT allows broadband providers to take advantage of pervasive GPON technology, while giving them a flexible upgrade path to scale up and roll out XGS-PON deployments without costly rip and replace activities.

Radisys’ Combo PON OLT is billed as an open, flexible, highly scalable telco-grade white box designed to address service providers’ key needs. Full PON port flexibility enables GPON, XGS-PON or Combo PON (GPON and XGS-PON) on any port on the same platform.

The company says the system's "open architecture delivers data center-driven cost efficiencies and high port densities, making it suitable for residential, cloud and enterprise services to simplify deployments and reduce operating expenses."

The system's compatibility with any ONF VOLTHA-based software, including Radisys’ Connect Broadband Access Controller (CBAC) software, allows service providers to scale hardware up or down while the management software and all other Connect Open Broadband components remain intact. Further, the platform offers flexibility to deploy virtualized functions either in a distributed fashion running within the OLT CPU, or as a centralized function hosted on an external server or a public or private cloud.

Radisys’ Combo PON OLTs are part of the company's larger Connect Open Broadband product suite, which includes open and disaggregated software, hardware and management. The complete family of Radisys OLTs also includes the 16 and 32 port OLTs. The Radisys 32 port GPON OLT (RLT-3200G) was recently certified for VOLTHA v2.8 through Open Networking Foundation’s Continuous Certification Program.

“We are pleased that Radisys’ 32 port G-PON OLT has been named a certified VOLTHA product within the ONF Continuous Certification Program. This certification, along with the introduction of the Radisys Combo PON OLT with support for VOLTHA/SEBA, offers broadband service providers with greater solution choices for their FTTX deployments,” concludes Guru Parulkar, ONF Executive Director. “As an ONF Partner Member, Radisys has been instrumental in the development of ONF open reference designs as well as the commercialization of ONF-based solutions. The Continuous Certification Program ensures that service providers can easily identify certified products for specific ONF projects within a vibrant ecosystem of vendors delivering and deploying ONF open source platforms.”

For more information, visit www.Radisys.com

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