Nexcom Train Computer – nROK 6231

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Nexcom Train Computer – nROK 6231

Fanless Railway Vehicle Computer with Intel Atom® x7433RE, EN50155

Key Feature

  • Intel Atom® quad-core processor x7433RE, 1.5 GHz
  • Supports eight SIM cards + four WWAN modules
  • Onboard u-blox-M9N GPS
  • Onboard CAN FD
  • 1 x External storage (compatible with 15 mm drives)
  • EN 50155, class OT4 compliance
  • 3 x M.2 + 2 x mPCIe socket expansion
  • Wide voltage input 24 VDC
  • 1 x DB9 for 1 x Mic-in, 1 x Line-out, 1 x Line-in
  • Three video outputs: VGA, HDMI and DP

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Powered by an Intel ® Core™ quad-core processor x7433RE, the nROK 6231 complies especially with the strict EN50155 standard in a rugged, fanless and compact mechanism. The nROK 6231 provides full communication capability between the train and the computer with its built-in CAN FD interface. The nROK 6231 has rich WLAN and WWAN wireless connectivity. With dual SIM card support per modem, the nROK 6231 allows eight SIM cards to back each other up for better connection quality or extra bandwidth by software. In addition, the eight SIM card and four WWAN module architecture can increase bandwidth for faster data transmission speed. Equipped with intelligent power management, the nROK 6231 can be woken up by ignition, RTC timer or remote SMS message. Combining various I/O ports, 3 x M.2, 2 x mPCIe socket expandability and up to three displays via VGA, HDMI and DP connections, the nROK 6231 retains the flexibility to meet the demands of different railway vehicle applications such as infotainment, dispatch systems, cellular/wireless network connectivity and video surveillance. The 2 x mini-PCIe slot design can address potential market demand when needed.

Processor Intel Atom® processor x7433RE, 1.5 GHz, 9 W, 4 cores
Memory 1 x 262-pin DDR5 SO-DIMM socket supports up to 16 GB at 4800MHz, default 8 GB
Video Output 1 x VGA up to 1920 x 1200 @60Hz1 x HDMI 2.0 up to 4096 x 2160 @60Hz1 x DP up to 4096 x 2160 @60Hz
Storage 1 x 2.5” SATA 3.0 external SSD (compatible with 15 mm drives)1 x mSATA (occupies one mPCIe slot)
Expansion 2 x M.2 3042/3050/3052 Key B socket (USB 2.0, USB 3.2 Gen 2) for LTE/5G NR module with 2 x external Nano-SIM1 x Full-size mini-PCIe socket (USB 2.0, SATA, PCIe 3.0) for mSATA (default), BIOS selectable for LTE (USB 2.0) with 2 x external Nano-SIM, BOM option for WLAN (USB 2.0, PCIe 3.0)1 x M.2 2230 Key E (PCIe 3.0 x 1, USB 2.0), BOM optional mPCIe (PCIe 3.0 x 1, USB2.0) for Hailo module1 x Full-size mini-PCIe socket (USB 2.0, PCIe 3.0) for WiFi, BOM option M.2 3042/3050/3052 Key B socket (USB 2.0, USB 3.2 Gen 2) for LTE/5G NR module with 2 x external Nano-SIM
GNSS and Onboard Sensor 1 x Default u-blox NEO-M9N GNSS for GPS/Glonass/QZSS/Galileo/BeidouG-Sensor (3-axis, 10-bit resolution)
LAN and Power over Ethernet 2-Port LAN, 10/100/1000/2500 Mbps I226-IT Ethernet Controller
Security TPM 2.0: Infineon SLB9670VQ2.0
I/O Interface - Front 12 x LED indicators (including 2 x programmable LEDs)8 x SIM card sockets with cover, externally accessible1 x 2.5" removable SSD tray (removable, 15 mm)1 x Reset button1 x Power button2 x USB 3.2 (Gen 2) type A14 x SMA antennas
I/O Interface - Rear 1 x Circular DC input with ignition
- 24 VDC (9~36 VDC), non-isolated1 x M12 with two USB 2.02 x M12 X-coded LAN ports, 10/100/1000/2500 Mbps1 x DB9 (AUDIO), female for 1 x Mic-in, 1 x Line-out, 1 x Line-in1 x VGA, 1 x HDMI 2.0, 1 x DP1 x DB9 (COM) full RS232 (isolated)2 x DB9 full for RS232/RS422/RS485 (all isolated)1 x 18-pin terminal block
- 1 x CAN FD
- 4 x DI isolated
- 4 x DO isolated
- 1 x GNSS speed/direction
- Vin, GND for GPIO
Power Management and Software Support Power input 24 VDC non-isolatedSoftware-selectable startup and shutdown voltage for low-power protectionSoftware-adjustable 8-level power on/off delay timeSupports S3/S4 suspend mode10~255 seconds WDT support, set up via softwareSDK (Windows/Linux) including utility and sample code
Operating System Windows 10, 11 (64-bit)Linux 4.x
Dimensions 260 mm (W) x 196 mm (D) x 70 mm (H) (10.24" x 7.79" x 2.75")
Weight 2.8 kg
Environment Operating temperatures
- EN 50155, class OT4 (-40~70°C), 85°C for 10 minutes (with industrial SSD) with airflowStorage temperatures: -40°C to 85°CRelative humidity: 10% to 90% (non-condensing)Vibration (random)
- 2g@5~500 Hz (operating, SSD)Vibration
- IEC 60068-2-64, 2G for SSD
- Operating: MIL-STD-810H, 514.8C Procedure 1, Category 4
- Storage: MIL-STD-810H, 514.8E Procedure 1, Category 24Shock
- Operating: MIL-STD-810H, Method 516.8, Procedure I, functional shock=40g
- Non-operating: MIL-STD-810H, Method 516.8, Procedure V, crash hazard shock test=75g
Standards/Certifications BUFCC Class AEN 50155: 2017
- Ambient temperature EN 50155, Class OT4 (-40~70°C), 85°C for 10 minutes
- Interruptions of voltage supply class S1
- Supply change class C1, C2
- EMC EN 50121-3-2: 2016+A1: 2019
- 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 on request)
- EN 45545-2:2013+A1:2015 (PCB)
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