Syslogic IPC/RML81I20-R152E Intel Atom Rolling-stock Digital I/O Computer RML-R 81


  • Railway approved (EN50155 & EN45545)
  • 24/7 continuous operation
  • M12 connectors for Power and LAN
  • Shock and vibration resistant
  • Full -40…+85°C on component level

Customisation Service

We can configure this device for you to your exact specification. So we can provide you with the best possible service, please let us know a little about your project if you need this service.



The Railway Computer RML-R 81 is an advanced version of the RSL-R 81, offering additional COM interfaces and expandability with digital I/O or analog inputs. It complies with the EN50155 standard, class S2, ensuring high reliability and durability for railway applications. This robust railway computer provides a power failure bridge of at least 10 milliseconds, meeting the EN50155, class S2 requirements. It also meets the stringent standards of EN61373, ensuring compliance with regards to shocks, vibrations, electromagnetic compatibility (EMC), and electrical insulation. Moreover, it adheres to the fire protection standard for railway vehicles specified by EN45545-2. Configuring the railway computer, including the ignition controller, is effortless with its wide-range power inputs supporting DC voltage between 16.8 and 137.5 volts. Additionally, you have the option to equip the railway computer with 4G/LTE (UMTS/GSM fallback) for enhanced functionality. Notably, this configuration enables high-accuracy GNSS (Global Navigation Satellite System) capability, providing precise positioning accuracy of one to two centimeters through RTK (Real Time Kinematic) surveying. Experience the excellence of the Railway Computer RML-R 81, designed to deliver unparalleled performance and reliability in railway applications.


Assured Systems Datasheet (PDF)

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System Integration

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Processor Type Intel Atom, up to 4 Cores
GPU Integrated GPU
Memory Capacity Up to 4GB, Up to 8GB
Cooling Type Fanless
Serial Ports (COM) 1x RS-422/485, 2x RS-232
USB Ports 1x USB 3.1, 1x USB 2.0
Ethernet Ports (LAN) 2x 1G
Wireless Cellular, Wi-Fi
CAN Bus Yes
Video Ports 1x DisplayPort
Digital I/O 8 DIO
Storage Type 1x MicroSD, 2x Cfast
Expansion Type 1x Mini PCI Express, 2x M.2
Input Voltage 16.8-45 VDC
Mounting Options Wall-mount
Operating Temperature Extra-Wide OT: -40°C to 70°C
Market Certifications EN 45545, EN 50121, EN 50155, EN 61373, EN 62368
OS Support Linux, Windows 10, Windows 11

Delivery Information

Orders dispatched from Assured Systems USA will be delivered using FedEx.

Payment Methods & Options

Accepted payment methods for US customers include bank transfer, VISA or Mastercard in USD.

Syslogic: Warranty and Service Information

Assured Systems are proud partners of Syslogic, offering a 2 year warranty with all Syslogic products distributed in the EMEA. Extended warranty options are available upon request.

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