You are using an outdated browser. For a faster, safer browsing experience, upgrade for free today.


2x 3U OpenVPX MOSA Mission Computer

SIU32-MCVARM-01 is a Modular Open Systems Approach (MOSA) DO-178C & DO-254 Certifiable Mission Computers (MC) with low power high performance OpenVPX Xilinx UltraScale+ SBC with Quad Core ARM Cortex -A53, 8 GB DDR4 SDRAM, 32 GB SATA Flash, 2 x 10/100/1000Base-T Ethernet, USB 3.0, FIPS-140-3 Level 3 Cyber Security, and Single Event Upset support. 

Configured to support dual redundancy using Serial CCDL or ARINC-429/575 Interfaces. Options for TSN, TTE, AFDX or ARINC664p7 redundancy are also available.

The SIU32-MCVARM-01 is ideally suited to support several land, air and sea platforms. The SIU32-MCVARM-01 takes advantage of NAI’s COSA Architecture: a flexible, adaptable, configurable, modular and expandable solution that offers an almost infinite number of configurations while eliminating hardware and software NRE redesign. Operating System support includes DDC-I Deos 653 and Wind River VxWorks HVP Certifiable RTOS, VxWorks 7.x RTOS and PetaLinux. 

  • 2 x MIL-STD-1553 & 8 x ARINC-429 Tx/Rx (CM5)
  • 8 x RS-232/422/485 Serial Channels (SC3)
  • 8 x CANBus A/B 2.0/CAN-FD/ARINC-825 (CB8)
  • 24 x Enhanced Programmable Discrete I/O Channels (DT4)
  • 16 x ±100 VDC A/D Channels (ADF)
  • 12 x ±10 VDC or ±25 mA D/A Outputs (DA1)
  • 28 VDC Input PSU per VITA 62 (VPX68). Optional 50 ms holdup.
  • MIL-STD-810G, MIL-STD-461F and DO-160 environmental and EMI/EMC qualifications.

Accelerate Your Time-to-Mission™ With COSA®

NAI’s Configurable Open Systems Architecture™ (COSA®) offers a choice of over 100 smart I/O, communication, and Ethernet switch functions, providing the highest package density and greatest flexibility of any multifunction I/O board in the industry. Preexisting, fully-tested functions can be combined quickly and easily in an unlimited number of ways. Choose the ideal platform for your application below. Each I/O function has dedicated processing, unburdening the system Single Board Computer (SBC) from unnecessary data management overhead.

Related COSA® Products
Just How Configurable Are NAI's COTS Systems?

Need more or less configurations than the SIU32-MCVARM-01? Choose from NAI's standard COTS configurable systems that you can populate with pre-integrated boards, smart function modules, power supplies and software libraries of your choice.

Model Dimensions w/ Connectors
(w x h x d)
Weight / lbs.
(Fully populated)
Function Module
Board Slots Board Formats
NIU1A 6.8" x 1.6" x 2.5" < 1.2 1 N/A Integrated System
NIU2A 7.2" x 2.7" x 3.0" < 2.7 2 N/A Integrated System
NIU3A 7.2" x 3.2" x 5.5" < 5.4 3 N/A Integrated System
NIU3E 7.2" x 3.2" x 7.1" < 7.7 1 N/A Integrated System
SIU31 4.7"x 2.4" x 8.8" < 5.9 3 1 cPCI
SIU32S 5.9" x 4.5" x 9.5" < 11.5 6 2 OpenVPX
SIU33 4.7" x 4.8" x 8.8" < 10.6 9 3 cPCI
SIU34 5.7" x 5.8" x 9.4" < 15.1 12 4 OpenVPX
SIU35 7.2" x 4.8" x 8.7" < 16.0 15 5 cPCI
SIU36 Conduction Cooled: 9.0" x 5.0" x 9.5"
Convetion/Air Cooled: 9.0" x 6.4" x 9.5"
Conduction Cooled: < 21.3
Convection/Air Cooled: < 22.5
18 6 OpenVPX
Can’t find what you’re looking for?

North Atlantic's resource center is where you will find information on warranty and repairs, details of our Product Lifecycle Management and Configuration Management programs – and much more.

Visit Resource Center