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rROK5520 High-Performance Railway Edge AI Computer

SKU: rROK5520-WI/-WIC7S

High-Performance Rolling Stock Edge AI Computer Powered by Intel® Core™ Ultra Processor (Series 2)

Key Features:

  • Powered by Intel® Core™ Processor (Series 2) processor
  • Flexible expansion: PCIe / M.2 / mPCIe
  • Support RTX 2000 / 3500 Ada MXM
  • Optional expansion module for 4 x PoE M12 or 2 x 10GbE SFP+
  • 1× IEEE 802.3af/at/bt + 6× IEEE 802.3af/at, 80W total (rROK 5520-WIC7S)
  • Fanless rackmount design for harsh railway environments
  • Up to 8x 2.5” SSD, high-capacity edge storage (rROK 5520-WIC7S)
  • Designed for AI, video analytics, and railway applications
  • Wide-range 24~110V DC input with ignition control
  • EN50155 (OT4), EN45545-2, CE/FCC certified

Description

Product Overview

The NEXCOM rROK 5520 Series is a high performance rolling stock edge AI computer designed for railway, transportation and industrial applications. Powered by Intel Core Ultra processors with optional NVIDIA RTX Ada GPU support, the platform delivers advanced computing performance for AI inference, video analytics, communication gateways and intelligent transportation systems. Its rugged 19 inch 2U rackmount design is engineered for harsh railway environments, combining scalable storage, extensive connectivity and railway grade certifications for reliable edge deployment.

Key Features

High Performance Edge AI Platform

  • Powered by Intel Core Ultra processors with up to 45 W TDP support

  • Optional NVIDIA RTX 2000 Ada and RTX 3500 Ada MXM graphics support

  • Designed for AI inference, video analytics and intelligent transport workloads

  • Supports DDR5 ECC memory up to 96 GB

Railway Grade Rugged Design

  • 19-inch 2U rackmount chassis for rolling stock deployment

  • Fanless design for harsh railway and industrial environments

  • EN50155 OT4 and EN45545-2 certified for railway applications

  • Resistant to shock, vibration and wide temperature operation

Advanced Networking and PoE

  • Up to 7 x 2.5GbE PoE M12 X-coded ports on the WIC7S model

  • Supports IEEE 802.3af, at and bt PoE standards

  • Up to 80 W total PoE output for onboard devices

  • Suitable for IP cameras, gateways and onboard networking systems

Flexible Wireless and GNSS Connectivity

  • Supports up to four LTE or 5G modules via M.2 expansion

  • Four externally accessible dual nano SIM slots

  • Integrated u-blox GNSS supporting GPS, QZSS, GLONASS, Galileo and BeiDou

  • Designed for connected transport and fleet management applications

High-Capacity Edge Storage

  • Supports up to 8 removable 2.5-inch SATA SSDs on the WIC7S model

  • RAID 0, 1, 5 and 10 support for storage redundancy and performance

  • Additional NVMe M.2 storage support for high-speed applications

  • Suitable for video recording and data-intensive workloads

Rich Industrial I/O

  • Multiple USB 3.2 Gen 2 ports for peripherals and edge devices

  • Isolated RS-232, RS-422 and RS-485 serial communication support

  • CAN FD is compatible with CAN 2.0A and 2.0B

  • Digital input and output interfaces for industrial control integration

Wide Power Input and Management

  • Wide isolated DC 24 V to 110 V power input range

  • Intelligent ignition control for vehicle and railway systems

  • Configurable power delay and low voltage protection

  • Watchdog timer and suspend mode support for system reliability

Applications and Use Cases

The rROK 5520 Series is suitable for:

  • Railway and rolling stock systems

  • AI-powered video analytics and surveillance

  • Intelligent transportation and communication gateways

  • Edge computing and industrial automation

  • Smart rail infrastructure and onboard networking

 

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More Information

Brand Nexcom
Specifications

Category

Specification

CPU

Intel® Core™ 9/7/5/3 processor 273PTE / 251TE / 221TE / 201TE

CPU TDP

Up to 45W

Chipset

Intel® R680E

Memory

2 × DDR5 SO-DIMM

Memory Support

ECC & dual-channel

Max Memory

Up to 96GB

Graphics

Optional NVIDIA RTX 2000 / 3500 Ada MXM

Cooling Requirement

Fan kit required for RTX 3500

Video Output

2 × HDMI® 1.4 up to 3840 × 2160 @30Hz

VGA Output

1 × VGA up to 1920 × 1200 @60Hz (reserved)

Storage

rROK 5520-WI: 4 × 2.5” SATA SSD removable bays

Storage

rROK 5520-WIC7S: 8 × 2.5” SATA SSD removable bays

RAID Support

RAID 0 / 1 / 5 / 10

NVMe Storage

1 × M.2 Key M 2240 / 2280 NVMe SSD, PCIe 4.0 x4

Expansion Slots

2 × Full-size Mini PCIe slots, USB 2.0 / PCIe 4.0

LTE/5G Expansion

4 × M.2 Key B 3042 / 3050 / 3052

LTE/5G Interfaces

USB 2.0 / USB 3.2 Gen 2

SIM Support

2 × external dual nano-SIMs

SIM Support

2 × internal dual nano-SIMs

Wi-Fi Expansion

1 × M.2 Key E 2230 / 3052

MXM Expansion

1 × PCIe 5.0 x16 for MXM module

GNSS

u-blox NEO-M9N

GNSS Support

GPS / QZSS / GLONASS / Galileo / BeiDou

Sensors

3D accelerometer and 3D gyroscope

LAN

rROK 5520-WI: 2 × 2.5GbE M12 X-coded

LAN Controller

Intel® I226

WoL Support

Supported

PoE

rROK 5520-WIC7S: 7 × 2.5GbE M12 X-coded PoE

PoE Standards

1 × IEEE 802.3af/at/bt + 6 × IEEE 802.3af/at

PoE Budget

Up to 80W total

Security

TPM 2.0

TPM Controller

Infineon SLB9672XU2.0 FW16.24

Front LEDs

8 × LED indicators

Front Buttons

1 × Power button

Front Buttons

1 × Reset button

Front USB

6 × USB 3.2 Gen 2 Type-A

Front Serial Ports

3 × DB9 COM ports

Serial Support

RS-232 / 422 / 485 isolation

Audio Interface

1 × DB9 for Line-in / Line-out / Mic-in

CAN / DIO

1 × DB15

CAN Support

2 × isolated CAN FD

CAN Compatibility

CAN 2.0A / 2.0B

DI/DO

4 × DI and 4 × DO isolation

DI/DO Voltage

DC 9V to 36V

Front Display Output

2 × HDMI® 2.1

Power Connector

1 × M23 connector

GNSS Connector

1 × SMA

WLAN Antenna

4 × RP-SMA connector holes

WWAN Antenna

16 × SMA connector holes

External SIM Access

4 × externally accessible dual nano-SIMs

Optional Expansion

Dual-port 10GbE SFP+ module

Optional Expansion

4-port LAN M12 X-coded module

SSD Bays

rROK 5520-WI: 4 × removable SSD bays

SSD Bays

rROK 5520-WIC7S: 8 × removable SSD bays

Power Input

DC 24V to 110V isolated

Power Features

Selectable boot-up & shutdown voltage

Delay Timer

8-level power on/off delay

Suspend Modes

S3 / S4

Watchdog Timer

10 to 255 seconds

SDK Support

Windows / Linux utility and sample code

Operating System

Windows 11

Operating System

Linux

Dimensions

482.6 × 401.2 × 88.0 mm

Weight

rROK 5520-WI: 13.1kg

Weight

rROK 5520-WIC7S: 14.9kg

Operating Temperature

-40°C to 70°C with airflow

Storage Temperature

-40°C to 80°C

Humidity

90% non-condensing

Vibration

2g @ 5Hz to 500Hz

Vibration Standard

MIL-STD-810H Method 514.8C

Shock Standard

MIL-STD-810H Method 516.8

Operating Shock

40g

Non-operating Shock

75g

Certifications

CE

Certifications

UKCA

Certifications

FCC Class A

Railway Standard

EN 50155:2021 OT4

Fire Protection Standard

EN 45545-2:2020+A1:2023

EMC Standard

EN 50121-1:2017

EMC Standard

EN 50121-3-2:2016+A1:2019

Ordering Information

SKU: rROK 5520-WI
System barebone. Intel® Core™ processors (Series 2) with DDR5, DC 24V~110V input (w/ isolation), 2 x M12 X-coded LAN, 4 x SSD tray, 2 x CAN FD

SKU: rROK 5520-WIC7S
System barebone. Intel® Core™ processors (Series 2) with DDR5, DC 24V~110V input (w/ isolation), 1 x M12 X-coded LAN, 7 x PoE M12 X-coded, 8 x SSD tray, 2 x CAN FD

(Optional) Dual port 10GbE SFP+ module (P/N: 88A40552000X0)
Dual port SFP+ module (VIOD-10G2-SFP-01), 10/1GbE

(Optional) 4-Port LAN M12 X-coded module (P/N: 88A40552001X0)
4-Port LAN M12 X-coded module (VIOD-POE4M-02), 10/100/1000 Mbps, PoE 802.3af/at, max. 60W, isolation

(Optional) RTX 2000 Ada MXM kit (P/N: TBD)

(Optional) RTX 3500 Ada MXM kit (P/N: TBD)

(Optional) Fan kit (P/N: TBD)

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