Intel Atom® x5-E3930 processor Fanless Railway Computer with EN50155 Conformity

nROK 1020, a compact, rugged, and entry-level railway computer with Intel Atom® x5-E3930 processor dual-core 1.8GHz is designed for harsh railway-related applications. Because of the compact design, it is easy to be located without compromising its features.

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  • Compact and fanless design
  • Built-in GPS receiver with optional dead reckoning function
  • Variety of wireless communication options
  • Smart power management with Ignition on/off delay via software control and low voltage protection
  • Wide range DC input from 9~36V
  • EN50155 Class OT4 conformity
  • Compliance to EN45545-2
  • 5 x RS232 and 2 x RS485
Amplicon Middle East-Nexcom-nROK 1020

Intel Atom® x5-E3930 dual core 1.8GHz


1 x 204-pin DDR3L SO-DIMM socket support 1867MHz up to 8GB. Default 4GB



1 x Full size mini-PCIe socket (USB 2.0) for LTE module with 1 x external SIM
1 x Full size mini-PCIe socket (PCIe 2.0, USB 2.0, mSATA)


1 x u-blox NEO-M8N module (support GPS/Gloness/QZSS/Galileo/Beidou) or optional module with Dead Reckoning
Built-in G-sensor
Built-in TPM

I/O Interface-Front

1 x power button
4 x LED indicators for Status (programmable), Storage, WLAN and WWAN
1 x system reset button
2 x type A USB 3.0 compliant host, supporting system boot up
1 x DB-15 VGA
1 x HDMI
1x external SIM card socket
1 x circular connector for 9~36VDC input with ignition and 20W typical power consumption
1 x circular connector for Audio-In and Audio-Out
1 x M12 connector for 10/100/1000Mbps Ethernet

I/O Interface-Rear

1 x 12V/2A DC output, SMBus, power button
1 x DB15 COM port for 4 x RS232 Tx/Rx and 2 x RS485
1 x DB15 for multi port
– 1 x CAN2.0
– 1 x RS232 Tx/Rx
– 1 x odometer and direction for optional DR
– 5 x programmable DIO
Input voltage (internal type): 5VDC TTL (default)
Input voltage (source type): 3~24VDC
Digital output (sink type): 5VDC TTL (default), max current: 20mA
Digital output (source type): 3~24VDC
3 x Antenna hole for SMA-type antenna (WWAN/WLAN/GPS)

Expandable Storage

1 x 2.5” SSD SATA 3.0
1 x mSATA

Power Management

Power input 9~36VDC w/o isolation
Selectable boot-up & shut-down voltage for low power protection
HW design ready for 8-level delay time on/off at user's self configuration
Power on/off ignition, software detectable
Support S3, S4 suspend mode

Operating System

Windows 10


185mm (W) x 120mm (D) x 45mm (H) (7.3" x 4.7" x 1.8")


1 kg (2.20 lbs)


Aluminum top case with sheet metal

Operating temperatures

EN50155 Class OT4 -40 ~ 70°C, 85°C for 10 minutes

Storage temperatures

-40°C to 85°C

Relative humidity

10% to 90% (non-condensing)


2g @5~500 Hz
Operating: MIL-STD-810F, Method 514.5, Category 20, Ground Vehicle – Highway Truck
Storage: MIL-STD-810F, Method 514.5, Category 24, Integrity Test


Operating: MIL-STD-810F, Method 516.5, Procedure I, Trucks and semi-trailers=20g
Crash hazard: MIL-STD-810F, Method 516.5, Procedure V, Ground equipment=75g


FCC Class A
EN 50155: 2017
– Ambient temperature EN 50155, Class OT4 (-40~70°C), 85°C for 10 minutes
– Interruptions of voltage supply class S1
– Supply change over class C1, C2
– EMC EN 50121-3-2: 2016
– Environment EN 60068-2-1, EN 60068-2-2
– Shock and vibration IEC 61373 Class B
– Protective coating class PC1 (PC2, by request)
EN 45545-2: 2013+A1:2015

Data Sheet

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