1/2 Air Transport Rack (ATR)
Sentinel series 1/2 ATR Rugged Mission Computer is a compact 1/2 short ATR form-
factor VPX system designed for mission-critical computing in SWaP-constrained platforms.
factor VPX system designed for mission-critical computing in SWaP-constrained platforms.
Rugged SOSA™ Aligned SBC for Defense & Aerospace
Key Features
1/2 ATR short chassis (ARINC 404A compliant) housing up to 6 slots of 3U VPX cards
Two 3U VPX SBCs with 11th Gen Intel® CoreTM i7 processors (Quad-core each) for computing redundancy
16 GB LPDDR4 memory per SBC; onboard dual 64 GB SSDs for each SBC
Integrated Ethernet switch module (Marvell SoC) with 1 GbE and 10 GbE ports (22-port mix)
High-density MIL-DTL-38999 connectors for Gigabit and 10GigE, USB 3.2, serial, and VGA/DVI outputs
Power supply module (3U VITA 62) accepting 28 V DC input with voltage/thermal monitoring
Built-in health management: Power-on BIT, continuous BIT, event logging
Lightweight aerospace aluminum alloy construction with corrosion-resistant finish
Compliant to MIL-STD-810 (temperature, shock, vibration) and MIL-STD-461 (EMI/EMC)
Overview
- It integrates multiple 3U VPX modules (such as two Intel® CoreTM i7 SBCs and a high-density Ethernet switch) in a forced-air conduction-cooled chassis.
- This mission computer provides powerful processing, multi-I/O support, and reliability for applications like UAVs and small aircraft, meeting stringent military environmental standards.
Specifications
Features | Specifications |
Processor & Chipset | Dual Intel® CoreTM i7-1185GRE SBCs (4-core, 3.0 GHz) with integrated PCH per board |
Memory | 16 GB DDR4-4267 ECC memory per SBC; dual 32 MB SPI Flash per SBC (redundant BIOS) |
I/O Interfaces | 4 × 1GBASE-T and 1 × 10GBASE-KR Ethernet from switch to each SBC; total external ports: four 1GbE (RJ45) and one 10GbE; USB 3.2 and USB 2.0 ports; 8 × GPIO lines via RS-422 transceivers; VGA and audio outputs from SBCs |
Expansion slots | 6-slot 3U VPX backplane (4 payload slots, 1 switch slot, 1 power slot) |
Storage | 64 GB onboard SATA SSD per SBC; M.2 2242 NVMe slot per SBC (up to 2 TB) |
Environmental | Operating temp -40 °C to +71 °C (with baseplate cooling); altitude up to 50,000 ft; MIL-STD-810F qualified for shock, vibration, humidity; integrated thermal management for fan-less operation |
Compliance | VITA 46/65 VPX, VITA 48.2 REDI; MIL-STD-810, MIL-STD-461 compliant system |
Application Areas
Rugged mission computing for fighter aircraft, helicopters, and UAVs
Vetronics computing units in armored vehicles and naval combat systems
Multi-sensor data fusion and processing in integrated C4ISR systems
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