Please note that we will be closed for the holiday period starting from 24th December, and will reopen on 2nd January 2026. Our last shipping dates to customers this year will be - UK Mainland: 22/12/2025. Highlands/2-day carriage: 18/12/2025. FedEx Priority: 16/12/2025. FedEx Economy: 15/12/2025.

tBOX323-835-FL Series - Axiomtek Intel Atom E3845 EN 50155/EN 50121 Embedded Rail PC

Fanless Embedded System – Intel Atom E3845 Processor – EN 50155, EN 50121 Certified & EN 45545-2 Compliant – 4GB DDR3L Onboard – Isolated RS-232/422/485 & DIO – M12 LAN & Power Connectors – 24V or 110V DC Input – USB 2.0, SATA2, CFast – Extended Wide -40°C to 70°C Temperature Operation

Who We Are

Impulse Embedded is a leading provider of Industrial computing systems and solutions. Our customers rely on us to provide the best embedded computing products and solutions for the challenges presented by today’s industrial demands. Together with our global manufacturing partners we provide world-class innovative embedded computing and automation products and solutions suitable for multiple industrial market sectors.

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The tBOX323-835-FL is designed for rail rolling stock applications. Integrated with an on-board quad-core Intel Atom E3845 1.91GHz processor and 4GB of low-power DDR3L memory, the fanless tBOX323-835-FL boosts its computing performance and features a rich I/O design with five isolated COM ports, two M12 LAN connectors, USB 2.0 ports, and one isolated 8-bit digital I/O port.

The tBOX323-835-FL rail PC also provides VGA and HDMI outputs for in-train surveillance requirements. The tBOX323-835-FL is an ideal all-in-one IoT (Internet of Things) solution for various rail-based applications, including railway gateways, controllers, digital signage management and rolling stock surveillance.

Certified under EN50155 and EN50121 for rolling stock and compliant with EN45545-2 for fire resistance, this rugged embedded PC platform operates reliably in a -40ºC to 70ºC operating temperature range (EN50155 Class TX) and in high vibration environments, offering up to 50G shock protection when using solid state storage.

Impulse can configured the tBOX323-835-FL to your exact requirements and pair it with a range of rail-certified Ethernet switches, serial converters, access points and more.

For more information about the tBOX323-835-FL, please contact our dedicated rail specialists on +44 (0)1782 337 800 or submit an enquiry.

Compare Model Specifications

Model Name Warranty CPU System Memory Display Ethernet Ports USB Serial Ports Digital I/O options Audio Storage Expansion Input Voltage Dimensions (WxDxH mm) Operating Temperature Market Certifications Operating System Mounting
tBOX323-835-FL-DC 2 Years Intel Atom Processor E3845 4GB DDR3L 1866Mhz On-Board 1x HDMI, 1x VGA 2x 10/100/1000 Mbps (M12) 2x USB2.0 (Type-A) 4x RS-232/422/485 (Terminal Block), 1x RS-232 (DB9) 8-Bit (6DI/2DO) 1x Line-In, 1x Line-Out 1x 2.5" SATA HDD, 1x CFast 3x Mini PCIe Card Slot, 2x SIM 24V DC 244 x 180.5 x 65.1 -40°C to +70°C EN50155, EN50121, CE, FCC, RoHS Windows 10, Linux Wall mount
tBOX323-835-FL-110VDC 2 Years Intel Atom Processor E3845 4GB DDR3L 1866Mhz On-Board 1x HDMI, 1x VGA 2x 10/100/1000 Mbps (M12) 2x USB2.0 (Type-A) 4x RS-232/422/485 (Terminal Block), 1x RS-232 (DB9) 8-Bit (6DI/2DO) 1x Line-In, 1x Line-Out 1x 2.5" SATA HDD, 1x CFast 3x Mini PCIe Card Slot, 2x SIM 110V DC 244 x 180.5 x 65.1 -40°C to +70°C EN50155, EN50121, CE, FCC, RoHS Windows 10, Linux Wall mount
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Model Name Warranty CPU System Memory Display Ethernet Ports USB Serial Ports Digital I/O options Audio Storage Expansion Input Voltage Dimensions (WxDxH mm) Operating Temperature Market Certifications Operating System Mounting
tBOX323-835-FL-DC 2 Years Intel Atom Processor E3845 4GB DDR3L 1866Mhz On-Board 1x HDMI, 1x VGA 2x 10/100/1000 Mbps (M12) 2x USB2.0 (Type-A) 4x RS-232/422/485 (Terminal Block), 1x RS-232 (DB9) 8-Bit (6DI/2DO) 1x Line-In, 1x Line-Out 1x 2.5" SATA HDD, 1x CFast 3x Mini PCIe Card Slot, 2x SIM 24V DC 244 x 180.5 x 65.1 -40°C to +70°C EN50155, EN50121, CE, FCC, RoHS Windows 10, Linux Wall mount
tBOX323-835-FL-110VDC 2 Years Intel Atom Processor E3845 4GB DDR3L 1866Mhz On-Board 1x HDMI, 1x VGA 2x 10/100/1000 Mbps (M12) 2x USB2.0 (Type-A) 4x RS-232/422/485 (Terminal Block), 1x RS-232 (DB9) 8-Bit (6DI/2DO) 1x Line-In, 1x Line-Out 1x 2.5" SATA HDD, 1x CFast 3x Mini PCIe Card Slot, 2x SIM 110V DC 244 x 180.5 x 65.1 -40°C to +70°C EN50155, EN50121, CE, FCC, RoHS Windows 10, Linux Wall mount

Delivery & Returns

We offer a range of delivery options to suit your needs.

UK Mainland

  • Free next day shipping on all orders over £150 (UK Mainland only)
  • Next day delivery - £12 (UK Mainland only)
  • Postcode Exclusions: ZE, KW15+ PO 30, JE, HS, GY, TR, IM, AB31+, KW 1-14, FK19+, PA20+, IV, PH

Northern Ireland & Highlands

  • Northern Ireland (2 business day delivery) - from £40 (UKIMS required for NI)
  • Highlands delivery (up to 3 business days) - from £30

Ireland

  • Ireland Economy (2-5 business days) - from £35
  • Ireland Priority (1-3 business days) - from £50

RMA

In order to process returned goods, Impulse Embedded Limited uses an internal RMA system. Before returning goods for any reason, please contact Impulse Embedded Limited (returns@impulse-embedded.co.uk) to request an RMA number. Please confirm the reason for the return of the goods, providing the Serial Number, Product Code, and Impulse Embedded Limited Invoice Number (if known).

When returning goods, please ensure they are suitably packed so as to avoid damage, are in the original packaging, along with all accessories, with the outer packaging marked with the RMA number. It is recommended that you use a signed delivery service, as goods lost in transit are not the responsibility of Impulse Embedded Limited.

Please do not write the RMA number on the goods or on the original packaging. Impulse Embedded Limited may refuse returned goods and return them if they arrive without an RMA number, or not in the original packaging.

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Axiomtek Intel Atom E3845 EN 50155/EN 50121 Embedded Rail PC

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Select the products of this series that you wish to request quantity or project pricing, or lead time information for:

  • tBOX323-835-FL-DC

    Intel Atom E3845 EN 50155/EN 50121 Embedded Rail PC – 24V DC Input

  • tBOX323-835-FL-110VDC

    Intel Atom E3845 EN 50155/EN 50121 Embedded Rail PC – 110V DC Input

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