Nexcom Train Computer – nROK 7251-7A

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Nexcom Train Computer – nROK 7251-7A

Fanless Railway Vehicle Computer with 9th Gen Intel® Core™ CPU

Key Feature

  • 9th Gen Intel® Core™ desktop, i7-9700TE, 1.8 GHz, 8 Cores
  • 2 x External SSD/HDD and 2 x mSATA for RAID 0, 1
  • 3 x WWAN module slots, each for 2 x external SIM sockets
  • 3 x mini-PCIe slots and 2 x M.2 Key B slots
  • CE/FCC/EN50155 class OT4 compliant

Request a Quote Datasheet

The NEXCOM mobile system nROK 7251 delivers operational efficiency for public transport and service. Based on 9th generation Intel® Core™ i7-9700TE processors, it offers an integrated solution with high computing power, wireless communication (3 x WWAN + 6 x SIM) and GNSS tracking support to record in-train activities, locations, high-quality video, driving patterns and diagnostics for trains, achieving better measures for safety and management.

Processor Supports 9th/8th Gen Intel® Core™ i7/i5/i3 LGA1151 socket
- Intel® Core™ i7-9700TE, 1.8 GHz, 35W, 8 cores
Chipset Intel® Q370 Platform Controller Hub
Memory 2-Channel 260-pin DDR4 SO-DIMM sockets up to 32 GB/channel (64 GB for two channels, non-ECC up to 2666 MHz), default 4 GB + 4 GB industrial-grade memory
Video Output Chipset Intel® UHD Graphics 6301 x Waterproof VGA up to 1920 x 1200 @ 60Hz1 x HDMI 1.4b up to 4096 x 2160 at 30Hz
Storage 2 x 2.5” SATA 3.0 external SSD/HDD (compatible with 15 mm height), RAID 0/1 supported2 x mSATA 3.0 (BIOS selectable, full mPCIe slot)
Expansion 1 x Full-size mini-PCIe socket (USB 2.0, PCIe 3.0/SATA 3.0 (BIOS selectable))1 x Full-size mini-PCIe socket (USB 2.0, PCIe 3.0/SATA 3.0 (BIOS selectable)), BOM optional full-size mini-PCIe socket (USB 2.0) for LTE module with 2 x external SIM1 x Full-size mini-PCIe socket (USB 2.0) for LTE module, BOM optional M.2 3042 Key B socket (USB 2.0, USB 3.1 Gen2) for LTE/5G NR module with 2 x external SIM1 x M.2 3042/3050/3052 Key B socket (USB 2.0, USB 3.1 Gen2) for LTE/5G NR module with 2 x external SIM1 x M.2 3042/3050/3052 Key B socket (USB 2.0, USB 3.1 Gen2, PCIe 3.0 (BOM optional)) for LTE/5G NR modem with 2 x external SIM
GNSS and Onboard Sensor 1 x Default U-blox NEO-M8N GNSS module for GPS/GLONASS/QZSS/Galileo/BeidouG-Sensor (3-axis, 10-bit resolution)
LAN and Power over Ethernet 2 x LAN, 10/100/1000 Mbps I210/I219 (iAMT and WOL support)
Security TPM 2.0: Infineon SLB9665TT2.0FW5.62
I/O Interface - Front 14 x LED indicators (including 4 x programmable LEDs)6 x Externally accessible SIM card sockets (4 x WWAN + 8 x SIM, BOM optional) with cover1 x Reset button2 x 2.5” external SSD/HDD12 x SMA antenna holes3 x USB 3.1 Gen1 type A (5V/1A)1 x USB 3.1 Gen2 type A (5V/1A)
I/O Interface - Rear 2 x M12 X-coded LAN ports, 10/100/1000 Mbps1 x Waterproof DC input connector with ignition, male type1 x M8 for 1 x Mic-in, 1 x Line-out2 x Waterproof DB9 (COM1/COM2) for full RS232 (isolated)1 x Waterproof DB9 (COM3) for full RS232/422/485 (isolated)1 x M12 A-coded 10-pin (DIO)
- 4 x DI and 4 x DO (isolated)
- Power input for DIO isolation, 9~36VDC1 x M12 A-coded for 2 x USB 2.01 x VGA1 x HDMI
Power Management and Software Support Power input 24 VDC non-isolatedReverse protection, OCP and UVPSoftware-selectable startup and shutdown voltage for low-power protectionSoftware-adjustable 8-level power on/off delay time10~255 seconds WDT support, set up via softwareSDK (Windows/Linux) including utility and sample code
Operating System Windows 10Linux
Dimensions 260 x 256 x 84 (G x D x Y) (mm)
Weight 4.3 kg
Environment Operating temperatures
- EN 50155, class OT4 (-40~70°C), 85°C for 10 minutes (with 35W TDP CPU, industrial SSD) with airflowStorage temperatures: -40°C~80°CRelative humidity: 90% (non-condensing)Vibration (random)
- 2g@5~500 Hz (operating, SSD)Vibration (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 testShock (SSD)
- 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
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-over class C1, C2
- EMC EN 50121-1: 2017, 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)
Driver
Date Description Version OS Download
2020-09-30 Audio Windows 250.72MB
2020-09-30 Chipset Windows 6.45 MB
2020-09-30 Graphics Windows 358.09MB
2020-09-30 Intel Rapid Storage Technology Windows 21.01MB
2020-09-30 Video Windows 73.02MB
2020-09-30 ME Windows 101.75MB
2020-09-30 SDK Windows 1.99MB
2020-09-30 Wireless Windows 121.99MB
2020-09-30 WWAN Windows 171.45MB
Manual (Please Contact the Sales Department )
Date Description Version OS Download
2022-03-10 User Manual (Datasheet Only) Windows 0.89 MB
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