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Björn Tech
Railway & Transportation

Industry-Standard Solutions for Railway & Transportation Technology

ERTMS / ETCSTrackside ElectronicsOnboard SystemsHMI & Driver InterfacePassenger InformationTunnel CommunicationVideo SurveillanceTicketing & Access Systems
Railway & Transportation

Electronics That Keeps Trains Moving

Railway electronics is exposed to shock, vibration, temperature variation and electromagnetic interference far beyond civilian applications. From trackside signalling systems to onboard embedded computers, platform management to passenger information systems, every component requires certified, reliable and long-lifecycle mechanical infrastructure. POLYRACK is a proven technology partner offering specialized platform solutions across all layers of the railway ecosystem.

Recommended in this sector:

  • POLYRACK: FerroRail and Future subracks (trackside, onboard, vibration-resistant); MPS03 compact 19" onboard computer; PanelPC 2 (10.1"–21.5", driver desk and platform display).
  • Innodisk: M.2 PCIe Gen4 4TE2 / 4IG2-P (write-heavy onboard recorder); DDR5 wide-temperature and DDR4 Rugged memory; isolated serial, CAN and LAN modules (train network); IP67 GMSL2 cameras (pantograph, platform, track monitoring); APEX-A100 (100 TOPS, onboard video analytics and driver assistance) and APEX-P200 (obstacle detection, pantograph and track inspection).
  • Aetina: AIE-VN34/44-128-A1 (4 GMSL2 cameras, ignition-based safety control) and IP66 AIE-VX28/18-IP (up to 8 GMSL2 cameras, 9–48 VDC): onboard camera and AI platform.

Railway Requirements at a Glance

Areas of use Trackside, onboard, station platforms and associated systems such as video surveillance and train-to-ground communication
Key requirements Shock and vibration resistance, EMI shielding, certification, long service life
Certifications Deutsche Bahn LES-DB and SNCF (FerroRail series)
Protection rating IP65 · field and trackside applications
Operating temperature SSDs and interface modules -40 ~ 85 °C, memory up to -40 ~ 105 °C, onboard AI system -40 ~ 70 °C
Train interfaces Isolated RS-422 / RS-485, CAN and Ethernet
Experience 45+ years · POLYRACK TECH-GROUP
Scope of supply Certified mechanics, panel PCs, storage, memory, train interfaces, cameras and AI systems from one supplier

What Railway Electronics Must Withstand

Certified Solutions for Rail

Solutions Across Every Layer of the Railway Ecosystem

POLYRACK provides specialized packaging solutions for every component of the railway ecosystem — from trackside to onboard, station platform to associated systems.

Track-Side

  • ERTMS / ETCS Infrastructure
  • LEU Chassis (19"/4U)
  • Mini LEU
  • Tunnel Repeater
  • GSM-R / TETRA
  • Cable Distribution

On-Track

  • HMI Driver Interface
  • Train Network & I/O
  • WTB / MVB / CAN / LON
  • Passenger Info (PIS)
  • Onboard Repeater
  • Embedded Computer

Platform Side

  • Ticket Vending Machines
  • Handheld Terminals
  • Panel PC / LED Display
  • Wayfinding Systems
  • Acoustic Announcement
  • Access Control

Associated Systems

  • Video Surveillance
  • Seat Reservation
  • Entertainment Systems
  • Control & Diagnostics
  • Telecommunications
  • Broadband Communication

Our Solutions by Sector

POLYRACK FerroRail — trackside chassis

Track-Side

Trackside Electronics

IP-protected, EMI-shielded equipment compliant with ERTMS/ETCS European train control system standards for trackside equipment. LEU (Lineside Electronic Unit) chassis, MiniLEU and tunnel repeater enclosures are the leading solutions in this category.

  • LEU — 19"/4U rack-mount chassis, recessed PCB section, coated backplane, PG flanges
  • MiniLEU — Fast and cost-effective modernization of existing ETCS systems
  • Tunnel Repeater — CSR, TETRA, GSM-R, GSM 900/1800, UMTS onboard repeater
  • ERTMS/ETCS — Support for harmonized European train control infrastructure
POLYRACK PanelPC 2 — onboard HMI

On-Track

Onboard Systems

Embedded computers, HMI and train network systems developed for the demanding shock and vibration environment of railway vehicles. Processing units supporting WTB, MVB, IP, CAN, LON and Ethernet protocols, along with remote I/O solutions.

  • HMI — Driver interface systems resistant to continuous shock and vibration
  • Train Network & I/O — WTB, MVB, IP, CAN, LON, ETHERNET protocol support
  • Passenger Experience (PIS) — Passenger information and onboard communication equipment
  • Embedded Computer — Onboard VME / CPCI-based embedded computing platforms
POLYRACK EmbedTech — platform equipment

Platform Side

Station Platform Systems

Ticket vending machines, wayfinding displays and acoustic announcement systems serving passengers on station platforms require enclosures that are vandalism-resistant, intuitive and compatible with mobile phone integration.

  • Ticketing & Access — Vandalism-resistant ticket vending machines and handheld terminals
  • Visual Orientation — Network-connected control panels with Panel PC, HMI and LED display support
  • Acoustic Systems — Enclosures for passenger announcement and information hardware
POLYRACK OpenVPX — VME system

Off-Side

System & Communication Infrastructure

Video surveillance infrastructure for crowd management, security and traffic flow; rugged VME system enclosures; broadband train-to-ground communication and telecommunications infrastructure solutions.

  • Video Surveillance & Security — Rugged enclosures for multi-channel camera management
  • Rugged Air-Cooled VME Systems — High-performance, lightweight and robust industrial enclosures
  • Bus Networks — WTB–MVB–IP–CAN–LON–ETHERNET integration support
  • Broadband Communication — Train-to-ground broadband and satellite connectivity infrastructure

Onboard and trackside equipment is approved, installed and maintained as one unit, so we plan it layer by layer: POLYRACK subracks and platforms set the mechanical base, and Innodisk storage, memory, interfaces and AI systems are chosen for the temperatures and vibration inside that mechanics.

  1. 01 Subracks and Board Mechanics The mechanical base of trackside and onboard electronics: subracks with operator approvals and closed units for the boards. POLYRACK
  2. 02 Onboard Computers and HMI Ready platforms for the embedded computer and for the driver and passenger interface. POLYRACK
  3. 03 Storage and Memory for Harsh Conditions Data storage and memory that withstand temperature swings and vibration in vehicles and unconditioned cabinets. Innodisk
  4. 04 Train Networks and Interfaces Isolated links to train control, onboard subsystems and the Ethernet backbone, added through M.2 or mPCIe slots. Innodisk
  5. 05 Video Safety and Inspection Cameras and AI systems for driver assistance, obstacle detection and pantograph and track inspection; images are processed on the train or at the track. Innodisk

Railway Systems, Layer by Layer

Each card shows why the product fits railway service and which requirements it answers; the product page has the full specifications. 16 products across 6 layers are recommended: POLYRACK (5), Innodisk (9), Aetina (2).

01

Subracks and Board Mechanics

The mechanical base of trackside and onboard electronics: subracks with operator approvals and closed units for the boards.

02

Onboard Computers and HMI

Ready platforms for the embedded computer and for the driver and passenger interface.

MPS03

POLYRACK

MPS03

Compact 19" system for onboard computers and control units: CPCI, VME or VME64x backplane, 2 to 8 slots in 1–4 U, delivered fully assembled and tested.

Answers Tight installation space

View Product
03

Storage and Memory for Harsh Conditions

Data storage and memory that withstand temperature swings and vibration in vehicles and unconditioned cabinets.

04

Train Networks and Interfaces

Isolated links to train control, onboard subsystems and the Ethernet backbone, added through M.2 or mPCIe slots.

05

Video Safety and Inspection

Cameras and AI systems for driver assistance, obstacle detection and pantograph and track inspection; images are processed on the train or at the track.

06

In-Vehicle AI with Aetina

In-vehicle edge AI systems for smart transportation. The product pages do not state railway standards (e.g. EN 50155); compliance is assessed per project.

The Manufacturers Behind Railway Projects

POLYRACK Electronic-Aufbausysteme GmbH

19" SubrackEnclosuresPanel PCCompactPCI / VMEbus / OpenVPX45+ Years of Experience

With POLYRACK Electronic-Aufbausysteme GmbH, we offer integrated packaging solutions for the widest range of applications in the electronics industry. With more than 45 years of engineering expertise and relationships of trust with the world's leading electronics brands, POLYRACK operates on a global scale, from Europe to Asia and from North America to the Turkish market.

The product range covers 19" subrack and enclosure families, industrial PC and panel PC systems, CompactPCI / VMEbus / OpenVPX backplanes, DIN rail modules and customer-specific system platforms. Custom designs developed on the basis of standard catalogue products combine the cost advantage of series production with the flexibility of individual customer requirements. POLYRACK has a multi-technology manufacturing infrastructure including metal and plastic processing, aluminium extrusion and die-casting, plastic injection moulds, surface treatment, electronic assembly and logistics.

POLYRACK Industrial Products

Innodisk

Industrial SSDDRAM ModulesCamera ModulesNetwork CardsEdge AI Systems

With Innodisk, we offer industrial-grade flash storage, DRAM modules, embedded camera modules, network and I/O expansion cards and edge AI systems. Founded in Taiwan in 2005, Innodisk designs its products for extreme temperatures, shock and vibration, unstable power and long product life cycles; we integrate them into the enclosures and thermal solutions of our other brands.

Innodisk Products

Aetina

Edge AI SystemsMXM GPU ModulesPCIe GPU CardsAI ServersRemote Management

With Aetina we offer Jetson-based edge AI systems, in-vehicle AI computers, GPU-expansion workstations, short-depth 2U AI servers and MXM / PCIe GPU cards. Founded in Taiwan in 2012 and part of the Innodisk Group since 2013, Aetina develops field-ready edge AI solutions; as its authorised distributor in Türkiye we plan these systems together with our enclosure and thermal solutions.

Recommended in this sector: AIE-VN34/44-128-A1 | AIE-VO24/34-128-S1, AIE-VX28/18-IP

Aetina Products

POLYRACK TECH-GROUP · Project-Based Manufacturing

Project-Specific Enclosures and Mechanics

For passenger information systems, remote I/O, onboard repeater equipment and the train network, POLYRACK TECH-GROUP manufactures project-specific enclosures and mechanical parts: plastic injection moulding, die casting, sheet metal and surface finishing, in long-life solutions built for shock and vibration.

View Service

Why Björn Tech?

Certified Products

The FerroRail series carries Deutsche Bahn LES-DB and SNCF certifications. Accelerates approval processes in railway projects.

Custom Configuration

Based on standard products, we offer custom dimensions, additional EMI shielding, reinforced mounting and vibration damping design support.

Authorized Distributor for Türkiye

As POLYRACK's authorized distributor for Türkiye, we provide fast supply, technical consulting and project support.

Talk to our engineering team about your project.

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