Power Utilities

They say that communication is everything. That goes for utility networks as much as human relations. We have been providing reliable products for power, water, and gas utilities for over 25 years. Nobody does it better than TC. Our time-tested applications connect everything from legacy devices to state-of-the-art equipment.

Our modern networks integrate a wide variety of technologies, such as:

  • Serial
  • C37.94
  • 4-wire analog for SCADA
  • Teleprotection
  • Analog radio over T1, E1, IP, or Ethernet

Specializations and Applications

Teleprotection over IP, MPLS and T1 Networks

Protecting the power grid is critical, and the key is communication. When a protection relay is triggered by a power fault, the advanced teleprotection technologies in our network get busy. Signals pass between substations through fast and reliable communication channels. Our specialized products provide secure transmission with very low latency. These solutions come with high quality of service (QoS) to minimize congestion on the backbone network. Supported interfaces include:

  • C37.94
  • Serial RS-232
  • G.703

Related Products:

G.703/64K over IP Gateway (JumboSwitch® Series)

C37.94 over IP Gateway (JumboSwitch® Series)

Serial over T1 (Mini Channel Bank Series)

SCADA Applications

Supervisory control and data acquisition (SCADA) is essential to support real-time communications in modern power networks. TC has been employing SCADA technologies since its inception. Utilizing a modern IP platform, the JumboSwitch® offers a complete solution to monitor network applications and identify abnormal conditions. It is a complete SCADA solution.

Related Products:

Serial Server (JumboSwitch® Series)

Low latency Serial over IP (JumboSwitch® Series)

Multi-Interface Fiber Optic Multiplexer (Legacy Series)

Legacy Network Modernization

The rush to adopt an all-IP network has a downside. What about all the reliable legacy devices that are already out there? And all those 4-wire analog and T1 leased lines that are still in place? TC products support them all -- whether new or old. Why leave all those good legacy devices behind? Our strategy includes a comprehensive integration of existing legacy networks as well as a gradual shift to Ethernet/IP. We can use existing fiber and microwave IP/MPLS networks to connect analog and T1/E1 equipment. And there are plenty of options for connectivity with our flexible JumboSwitch® products. Our Ethernet-over-PDH technologies include:

  • Ethernet over T1/E1
  • Ethernet over T3/E3
  • Ethernet over OC-3/STM-1

Related Products:


JumboSwitch® DIN Rail Version

Analog and Dry Contact IP Gateway Card (JumboSwitch® Series)

Industrial VoIP (JumboSwitch® Series)

A History of Helping
Customers Succeed

Since the beginning, TC has focused on bridging legacy service with IP/Ethernet and enabling communication between devices. In the founding years TC worked alongside the Department of Water Resources. Together they brought fiber connectivity to SCADA applications. Since then plans have expanded to many critical utility applications including Teleprotection and substation communications.

Read about the roots of TC

NIPCO, an Iowa Power Cooperative, Uses GigE Switches

Updating key components and equipment for a multi-county utility network is no easy task. When a power cooperative from Iowa needed to do just that, they contacted TC. In less than two months NIPCO integrated a network that increased flexibility and reduced maintenance time.

Read more about the project

Tucson Power Successfully Deploys Teleprotection-over-IP Links

Tucson Electric Power Grid (TEP) was in a lengthy search to find equipment to suite their legacy integration needs. They required a TDM over IP/Ethernet solution with stringent latency requirements. Using TC Communications products TEP experienced latency readings well within their standards.

Read the full case study here

Texas-New Mexico Power Teleprotection over IP Concerns

A Texas-based utility service provider had concerns about using teleprotection over IP. Rounds of test were conducted that addressed past problems and future concerns. Doing so they were able to get a clear representation of equipment performance.

Watch the video about Texas-New Mexico Power’s journey

“Our communications network has been operating very reliably since installation several years ago. We have been extremely pleased with TC Communications products and with their excellent customer support.”
- Louie Mastronardi, Protection and Control Engineer at Greater Sudbury Hydro
“The [JumboSwitch®] product has performed well and any minor issues or concerns have been handled by the technical staff at TC Communications in a very timely fashion… I would highly recommend their products and services.”
- Keith J. Schiltz, MDT Services Manager
See the full review from NIPCO

For more information:

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