Forecr RAIBOARD-ORNX NVIDIA Jetson Orin NX and Orin Nano Railway-Grade Carrier Boards with 10-75V DC Input

Rail vehicles supply equipment from battery systems whose nominal voltage varies between fleets, so a board that accepts only one supply range limits where it can be fitted. The Forecr RAIBOARD-ORNX series is a railway-grade carrier board for the NVIDIA Jetson Orin NX and Orin Nano with a 10-75 V DC input on a four-pin Molex Micro-Fit connector, a power draw Forecr gives as under 60 W and a -25 to +85 °C rating. It is the board inside Forecr’s RAIBOX-ORNX computers, which Forecr designs with that enclosure to meet EN 50155, EN 45545-2 HL3, EN 61373, EN 60068 and IP67.

Field interfaces on the RAIBOARD-ORNX are isolated and sit on locking Molex Dura-Clik connectors: two CAN bus ports, two RS-232/422/485 ports, four digital inputs and four digital outputs, alongside two Gigabit Ethernet ports. An HDMI 2.0 output at up to 3840 x 2160 uses a sealed Amphenol connector, with a USB 3.0 Type-A port and a USB 3.0 Type-C port that also handles recovery. Expansion covers an M.2 Key-M 2280 slot with PCIe x4 and an M.2 Key-M 2230 slot with PCIe x1 for SSDs, an M.2 Key-B 3042 socket with a nano-SIM for LTE or 5G, and an M.2 Key-E 2230 socket for Wi-Fi and Bluetooth. Cameras connect through a 120-pin Samtec CSI connector carrying four 2-lane CSI ports; Forecr lists up to four GMSL2 cameras, which come through an add-on board rather than the carrier itself.

The series has four variants, one per module we fit. The RAIBOARD-ORNX-NX16 carries the Jetson Orin NX 16GB at 100 TOPS and the RAIBOARD-ORNX-NX8 the Orin NX 8GB at 70 TOPS. For lighter inference, the RAIBOARD-ORNX-NANO8 carries the Orin Nano 8GB at 40 TOPS and the RAIBOARD-ORNX-NANO4 the Orin Nano 4GB at 20 TOPS. Forecr lists support for the modules’ Super mode.

The board adds an accelerometer, a temperature sensor, an EEPROM, an RTC, power, reset and recovery buttons and a fan connector, and Forecr lists Ubuntu 20.04 and 22.04 with JetPack 5.x and 6.x. The RAIBOARD-ORNX series suits onboard video analytics, passenger counting, railway gateways and trackside monitoring designs where the supply voltage varies from fleet to fleet.