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Fiber optic and data-center training units

A technical training unit puts real equipment in front of a trainee: switchgear they can operate, a server rack they can work in, a cooling system they can troubleshoot, a fiber they can splice. High Level Enterprises builds mobile training units for data-center operators, utilities, broadband and fiber contractors, and the colleges and workforce programs that train their technicians. HLE has delivered motorized 20-foot electrical and mechanical training units for data-center technician programs, and builds fiber optic training and service trailers. See also mobile training trailers.

Training unit interior: switchgear panels and an open server rack
Electrical training unit: switchgear panels and a server rack.

Delivered

Fiber optic and data-center training units we have built

All delivered units →
Training unit interior: switchgear panels and an open server rack
Training unit interior: a full switchgear lineup with control screens
Mechanical training unit interior: cooling-system trainer, fold-out glass wall, gray floor
Cooling-system trainer with controls and exposed components
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Data-center technician training units
Motorized 20-ft box units on International MV chassis. Electrical unit with live switchgear and server racks; mechanical unit with cooling-system trainers; fold-out glass walls for demonstrations.

Start from a plan

Proven layouts to start from

Floor plan TRL-107: Fiber Optics Service Trailer
PLAN TRL-107 · JAN 2025

Fiber Optics Service Trailer

HLE 7' x 12' Trailer
Platform
Trailer
Vehicle type
5 views
On the sheet
Open the plan sheet →
Floor plan CUS-124: Fiber Optics Service Vehicle
PLAN CUS-124 · MAR 2026

Fiber Optics Service Vehicle

International
Platform
Custom upfit
Vehicle type
2 views
On the sheet
Open the plan sheet →
Floor plan CLS-105: Mobile Welding Training Unit
PLAN CLS-105 · MAY 2025

Mobile Welding Training Unit

Trailer
Platform
Mobile classroom
Vehicle type
2 views
On the sheet
Open the plan sheet →

Three of the plans drawn for this vehicle type. Every plan can be built as drawn or used as the starting point.

Who buys a technical training unit

  • Data-center operators and their contractors — electrical, mechanical and controls training at the site, before a technician touches live gear.
  • Broadband, fiber and telecom contractors — fiber optic splicing and testing training for new crews.
  • Utilities and electrical contractors — switchgear and safety training that travels between service centers.
  • Community and technical colleges and workforce boards — fiber, electrical and HVAC programs delivered at employer sites and rural campuses.

What HLE builds into a training unit

  • Live training equipment — switchgear lineups, server racks, cooling-system trainers and fiber splicing and test stations, mounted and powered to the equipment maker’s requirements.
  • Demonstration space — fold-out glass walls and awnings so a class can watch from outside, plus an instructor station and displays.
  • Power and climate — generator and shore power sized to the training equipment, HVAC for a room full of trainees and running gear.
  • Fiber optic stations — splicing benches with lighting, fusion splicer and test-equipment storage, and clean work surfaces (see the fiber optics service trailer and service vehicle plans in the library).

Platforms

Motorized 20-foot box units on International MV chassis, HLE-built bumper-pull and gooseneck trailers, and 53-foot semi-trailer units for the largest programs.

How this unit is built

The construction column for a technical training unit

What HLE does, and what to ask any builder before you compare quotes. The full column is on How we build it.

Cage and structure

What HLE builds

1.5 in square steel tube cage, welded, powder-coated before the body goes on. Foam insulation cut to each cavity, not stuffed.

What to check on any proposal

Ask for the tube section and whether the cage is coated before or after assembly. "Steel frame" says neither.

Roof

What HLE builds

One piece of Impact Guard composite across the roof, bonded to the cage over the steel roof structure. No thin fiberglass that cracks under UV or a hailstone.

What to check on any proposal

Ask what the roof skin is and where its seams are. The first leak is at the seam you cannot see.

Floor

What HLE builds

Resin-infused composite subfloor over the cage; it sheds water instead of absorbing it. Seamless medical-grade sheet vinyl coved up the wall where the use calls for it.

What to check on any proposal

What is under the vinyl? A plywood subfloor goes soft after one winter of mopping.

Water test

What HLE builds

Every unit through the rain booth: at least 15 minutes under full spray with a person inside looking for water, then straight into a road test with someone inside still watching for leaks.

What to check on any proposal

Ask whether every unit is water-tested and how. A hose in the yard is not a test.

Common questions

What directors ask first

Can you install our training equipment?

Yes. HLE provides the power, mounts, ventilation and space to your equipment list and installs what you or the equipment maker supply.

Truck or trailer?

A motorized unit moves between sites with one driver and no tow vehicle. A trailer gives more floor space and can stay on a site for weeks. We will lay out both for your program.

Can the outside carry our branding?

Yes. Exterior graphics and wraps come from the HLE graphics department.

Request a proposal

Tell us the vehicle. We tell you what it costs and what to attach.

Pick a plan or describe the program. Say whether you need a price, a bid package, a grant kit or a formal proposal. A person at HLE reads every request; nothing goes to a queue.

Start a request

Or call 574-343-2150, 7:30 to 4:30 Eastern, and ask for Tabatha.