Fanless 4-CH PoE Rolling Stock Computer with Intel Atom® E3950

nROK 6222, based on Intel Atom® quad-core processor E3950 (up to 2.0GHz), specifically complies with stringent EN50155 standard in the rugged, fanless, and compact mechanism. nROK 6222 provides complete communication capability between train and computer with a build-in CAN BUS 2.0B interface. Equipped with intelligent power management, nROK 6222 can be waked on by ignition, RTC timer, or SMS message remotely. nROK 6222 supports 4 x 802.3at/3af (Max. 60W) PoE ports to connect with IP cameras.

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  • Intel Atom® processor quad core E3950, up to 2.0GHz
  • 4 x PoE (802.3af/at, max. 60W)
  • Built-in u-blox-M8N GPS
  • Three video outputs, one VGA and two HDMI
  • EN 50155, class OT4 conformity
  • 3 x mini-PCIe socket expansion
  • Dual external storage (compatible with 15mm disk)
  • 1 x USB DOM to run OS
  • 1 x SD card for exporting and backing up data
  • Optional power isolation kit support
Amplicon Middle East-Nexcom-nROK 6222

Intel Atom® processor quad core E3950, up to 2.0GHz, 12W, 4 core


1 x 204-pin DDR3L SO-DIMM socket support 1866MHz up to 8GB. default 4GB

Video Output

Chipset Intel® HD graphics 505
2 x HDMI 1.4b up to 4096 x 2160 @30Hz
1 x VGA up to 1920 x 1200 @60Hz


2 x 2.5” SATA 3.0 external SSD (compatible with 15mm drive)
1 x SD memory card 3.0 (externally accessible)


1 x Full size mini-PCIe socket (USB 2.0) for LTE module, BOM optional M.2 3042 Key B socket (USB 2.0, USB 3.0) for LTE/5G NR module with 2 x external SIM
1 x Full size mini-PCIe socket (USB 2.0, PCIe 2.0)
1 x Half size mini-PCIe socket (USB 2.0, PCIe 2.0)


GNSS and On Board Sensor

1 x Default U-blox NEO-M8N GNSS for GPS/Glonass/QZSS/Galileo/Beidou
G Sensor (3-axis, 10-bit resolution)


4-Port LAN, 10/100/1000 Mbps I210-IT GbE, PoE 802.3af/at, max. 60W
1-Port LAN, 10/100/1000 Mbps I210-IT GbE


TPM 2.0: Infineon SLB9665TT2.0FW5.62 (BOM optional)

I/O Interface-Front

12 x LED indicators (including 3 x programmable LED)
2 x externally accessible SIM card socket with cover
2 x 2.5" removable SSD tray
1 x externally accessible SD card socket with cover
1 x reset button
1 x power button
1 x USB 3.0 type A (5V/0.9A)
2 x HDMI 1.4b
1 x M8 (6-pin) for 1 x Mic-in (mono), 1 x Line-out (Stereo)
2 x SMA antenna

I/O Interface-Rear

1 x M12 (5-pin) DC input with ignition
– 24 / 36 VDC (9~48V), non-isolation
1 x M12 X-coded LAN port, 10/100/1000 Mbps
4 x M12 X-coded PoE 802.3af/at (max. 60W)
1 x VGA
1 x M12 with two USB 2.0
1 x DB9 full RS232 (isolation)
3 x SMA antenna
1 x DB15 (DIO)
– 4 x DI with isolation
– 4 x DO with isolation
– Vin, GND for GPIO
– 1 x RS422/RS485
– 1 x RS232 (TX/RX)
– 1 x CAN 2.0B

Power Management

Power input 24/36 VDC w/o isolation
Selectable boot-up & shut-down voltage for low power protection by software
Setting 8-level power on/off delay time by software
Support S3/S4 suspend mode
10~255 seconds WDT support, setup by software
SDK (Windows/Linux) including utility and sample code

Operating System

Windows 10/Linux


260mm (W) x 196mm (D) x 66.5mm (H)




Operating temperatures

EN 50155, class OT4 (-40~70°C), 85°C for 10 minutes (w/ industrial
SSD) with air flow

Storage temperatures

Relative humidity

10% to 90% (non-condensing)


2g@5~500 Hz (in operation, SSD)
– Operating: MIL-STD-810G, Method 514.6, Category 4, common carrier US highway truck vibration exposure
– Storage: MIL-STD-810G, Method 514.6, Category 24, minimum integrity test


Operating: MIL-STD-810G, Method 516.6, Procedure I, functional shock=40g
Non-operating: MIL-STD-810G, Method 516.6, Procedure V, crash hazard shock test=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, EN 60068-2-30
– 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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