ePAQ-9425 Substation Gateway

Harness the Potential of Your Substation Devices

The ePAQ-9425 Multifunction Gateways should be at the core of your substation management program for the Smart Grid.  Whether serving as an expandable front end for legacy RTUs or as the platform for the next stage of your distribution automation program, the ePAQ-9425 can serve to connect the myriad intelligent devices within your substation to your larger enterprise in a reliable and secure fashion.

The ePAQ-9425 can integrate the complete catalog of IEDs using our library of legacy or open, industry-standard protocols, be they serial or LAN-based.  In addition to data concentration, the unit can perform custom computations needed for filtering, translating, pre-processing or reduction. With ConfigWiz®, raw or processed IED data can be distributed to any remote enterprise, be they SCADA, maintenance or engineering activities through serial or WAN-based channels.  If needed, such transfers can be encrypted and authenticated for greater security.

  • Interface with all devices using any open Protocol and over any media
  • Front Panel Serial Fiber or Rear Panel DB-9 Serial Port Connections for ease of installation within existing racks
  • Redundant architecture for critical applications
  • Easy, Modular Expansion for additional Hardware I/O Points
  • Security Tools available for meeting latest NERC CIP and Cyber Security Requirements
  • Quick and easy configuration with provided ConfigWiz® Windows Software
  • SD Memory Card and USB Ports for easy, but secure, User Expansion and Update
  • Embedded Web Server and HMI for Local or Remote Display and Configuration

What Our Customers Have to Say

“Our relationship with QEI began in 1986 with the deployment of a PDP-11 based SCADA system and four RTUs. Over the decades, that system has been continuously upgraded and expanded to support the growing needs of our rail operations. QEI’s solutions have provided the real-time visibility, control, and reliability required for mission-critical traction power infrastructure. With hundreds of field RTUs installed and control houses to advanced master station software, QEI has remained a trusted technology partner in supporting safe and efficient operations across our network.”

The National Passenger Rail System across USA

“City of Concord has partnered with QEI since 1986, and throughout that time their solutions have continued to support our evolving operational needs. From early-generation RTUs to latest upgraded RTUs, capacitor controllers and multiple SCADA master station enhancements, QEI has been a dependable technology provider for our system. Our most recent investment in February 2025 to upgrade to QSCADA reflects the confidence we have built through decades of successful collaboration.”

SCADA Coordinator at City of Concord, North Carolina

“QEI’s mCAP and eCAP capacitor bank controller solutions are well-suited for Vietnam’s power distribution networks. The products not only meet technical requirements but also deliver clear economic benefits by optimizing system operation and reducing power losses. In addition, QEI’s professional support services represent a significant added value, contributing to the overall success of project implementations.”

My Phuong Trading Company Ltd. (MPCO)

“QEI is always making improvements to their product, and it is almost always a result of customer feedback. QEI listens, acts, and highlights the improvements every year at the user conferences. Great job QEI!”

North American Utility

“QEl did a fabulous job installing and configuring four SCADA servers for our Quad-Redundant QEI SCADA system.”

Florida Water Utility

“For over the last 10 years, we have had a QEI SCADA system that monitors our two substations and line reclosers. We have been very happy with the quality of their product and more importantly, the service that they provide to maintain the system. Everyone at QEl really seems to know their product inside and out. QEI is a company that not only makes a great product but backs it up with outstanding service.”

Village of Lake Placid

“Our relationship with QEI spans more than 50 years of continuous SCADA modernization. From early traction power control systems to today’s redundant enterprise platform QSCADA, QEI has consistently delivered solutions that support safe, efficient, and reliable rail operations. Their systems now provide centralized control of electric traction, signal power, and facilities power across an extensive commuter and city rail network with hundreds of RTUs in service.”

 Northeast Corridor transit systems, USA

“We have utilized QEl for our SCADA needs for over 20 years. They provide an excellent system, both software and hardware. QEl’s staff has alwavs been there for our needs and is always helpful and friendly We highly recommend QEl’s system and their maintenance contracts to keep your system current.”

Emerald Coast Utilities Authority (ECUA)

“The new website is very user-friendly. I really like the Customer Portal, which provides quick access to manuals, presentations, and software updates. Q Tips and more.”

City of Wilson, NC

“We have always been able to rely on QEl for their technical knowledge and support. Thank you QEI.”

Mid-Atlantic Municipal Utility

“It was a pleasure working with the QEI Engineer during the Onsight installations, He was very professional and worked through the few hiccups that we encountered to get the system up and running.”

Controls & Communications Engineer at Easley Combined Utilities

It’s Easy to Get Started

STEP 1:

Schedule a Consultation Call

Let’s talk through your goals and what your current infrastructure looks like.

STEP 2:

We’ll Collaborate to Develop a Solution

We’ll develop a plan to modernize your infrastructure to meet your goals.

STEP 3:

Experience the Advantages of QEI

We’ll coordinate and execute the plans for your upgraded system.