Reliable TDM Solutions for Legacy, Utility, and Critical Infrastructure Networks

PSI TDM Solutions

Our TDM products, including T1 and OC3, provide a robust and reliable foundation for your network needs. These solutions are designed to support traditional Time Division Multiplexing (TDM) services while offering a seamless migration path to modern packet transport technologies. By transitioning to packet transport, you can enhance your network’s scalability, efficiency, and flexibility, ensuring it meets the demands of today’s digital landscape. This migration path not only supports high-speed data, voice, and video services but also reduces operational costs and complexity. Embrace the future with our TDM products that pave the way for innovative advancements like 5G and beyond, ensuring your network remains competitive and future-proof.

Even as networks evolve toward packet‑based architectures, many organizations still rely on Time Division Multiplexing (TDM) for mission‑critical services. We help utilities, transportation agencies, government entities, and enterprises maintain, modernize, and extend their TDM infrastructure with dependable equipment, expert guidance, and long‑term support. Our solutions cover T1, DS3, OC‑3, and other traditional transport technologies, ensuring your legacy services remain stable while providing a smooth path toward packet migration.

As a long‑standing VAR with deep experience in TDM, we continue to support the now‑discontinued DZS IMACS platform, and we offer a full portfolio of Loop Telecom solutions — including TDM multiplexers, access devices, and hybrid platforms that support both legacy and modern packet protocols. Whether you need replacement units, expansion modules, or a modernized TDM/IP architecture, we deliver the equipment and expertise to keep your network running reliably.

What We Deliver

• T1, DS3, and OC‑3 TDM Solutions for legacy and mission‑critical applications
• Hybrid TDM + Packet Platforms to support MPLS, Ethernet, and IP services
• Replacement, Expansion & Support for discontinued DZS IMACS systems
• Loop Telecom Multiplexers & Access Devices for flexible TDM and packet deployments
• Design & Engineering Services for modernization and lifecycle planning
• 24×7 Technical Support to keep essential services online

Featured TDM Technology Partners DZS IMACS – Continued Support for a Proven Legacy Platform Although the DZS IMACS product line has been discontinued, many organizations still depend on it for essential TDM and access services. We continue to support IMACS deployments with available hardware, modules, and technical expertise to help extend the life of your existing infrastructure. Benefits: Protects existing investments, ensures continuity of service, provides a stable platform for gradual migration to packet‑based networks. Loop Telecom – Bridging TDM and Modern Packet Networks Loop Telecom offers one of the industry’s most versatile portfolios for operators who need to maintain legacy TDM services while introducing modern packet technologies. Their platforms support traditional TDM multiplexing alongside Ethernet, IP, and MPLS, enabling a smooth transition from older infrastructure to next‑generation networks. This hybrid approach allows operators to preserve mission‑critical TDM circuits while deploying packet‑based services on the same platform. Benefits: Highly reliable TDM solutions, integrated support for MPLS and modern packet protocols, broad product range, strong interoperability, and long lifecycle support for networks evolving from legacy to IP.

Why TDM Still Matters

• Mission‑critical reliability: TDM remains the gold standard for deterministic, low‑latency transport.
• Long‑term stability: Many utility and industrial systems depend on TDM for decades‑long operational cycles.
• Smooth migration: Hybrid TDM/IP platforms like Loop Telecom’s make it easier to evolve without disrupting service.