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Modular Open Systems Approach (MOSA) Solutions

NAI’s Modular Open Systems Approach (MOSA) solutions provide customers with pre-configured, pre-validated, rugged military embedded solutions that save development time and cost while reducing program risk. These Flexible, Adaptable, Configurable, Modular and Expandable Systems Eliminate custom designs and redesigns by taking advantage of NAI’s Configurable Open Systems Architecture (COSA). NAI's full suite of MOSA Solutions are ARM® Cortex®-A53 processor-based and are ruggedized to withstand -40° C to +71° C and qualified to MIL-STD-1275D & MIL-STD-704A with 50 ms holdup (VITA 62 power supply); MIL-STD-461F and MIL-STD-810G.

NAI MOSA Solutions

NAI's Modular Open Systems Approach (MOSA) Solutions Offer the Following Benefits:

  • Flexible
  • Adaptable
  • Configurable
  • Modular
  • Expandable
  • Eliminate custom designs

Looking a standard listing of our COTS Nano and Sensor Interface Units? View all Rugged COTS Systems.

Browse all Configurable Open Systems Architecture™ (COSA®) product category pages:

Data Concentrator Units (DCU): Data Concentrator Units (DCU) systems often serve as the "central nervous system" for most land, air and sea platforms and host the utilities functions, eliminating several boxes and hundreds of pounds of cable. These Modular Open Systems Approach (MOSA) systems feature an industry leading density of several I/O, measurement, and communication functions. These DCU’s take advantage of NAI’s COSA Architecture, offering a DO-178C & DO-254 Certifiable solution and are ruggedized to withstand -40° C to +71° C and qualified to MIL-STD-1275D & MIL-STD-704A with 50 ms holdup (power supply); MIL-STD-461F & MIL-STD-810G.

Nano Interface Unit Model NIU2A
NIU2A-DCU-01
  • Processor ARM Cortex-A9
  • Speed N/A
  • IO & Communications 2 x Redundant MIL-STD-1553 Channels, 8 x ARINC-429/575 Tx/Rx Channels, 24 Programmable Discrete IO, 28 VDC Input PSU with 50 ms holdup option
  • OS Xilinx PetaLinux OS, Wind River VxWorks (Option)
  • Weight / lbs < 2.7 (fully populated)
  • Volume (in3) 52.5

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Nano Interface Unit Model NIU2A
NIU3A-DCU-01
  • Processor Xilinx Zynq UltraScale+ SoC with Dual Core ARM Cortex-A53
  • Speed N/A
  • I/O & Communications 2 x Redundant MIL-STD-1553 Channels, 8 x Programmable ARINC-429/575 Tx/Rx Channels, 4 x CANBus 2.0 A/B, CAN-FD or ARINC-825 Channels, 24 x Programmable Discrete IO (PWM Capable), 8 x RS-232/422/485 Serial Channels (SC3), 6 x Chip Detect/Fuzz Burn Channels (CD1), 8 x Programmable Thermocouple/RTD Channels (TR1), 28 VDC Input PSU with 50 ms holdup option
  • OS PetaLinux, Wind River VxWorks HVP, DDC-I 653 Deos or GHS Integrity-178 tuMP
  • Weight / lbs < 5.4 (fully populated)
  • Volume (in3) 120

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Nano Interface Unit Model NIU2A
SIU32S-DCUVARM-01
  • Processor Xilinx UltraScale+ SBC with Quad Core ARM Cortex -A53
  • Speed N/A
  • I/O & Communications 2 x MIL-STD-1553 & 8 x ARINC-429 Tx/Rx (CM5); 8 x Programmable RS-232/422/485 Serial Channels (SC3); 8 x CANBus A/B 2.0/CAN-FD/ARINC-825 (CB8) 8 x Variable Reluctance/Pulse Counter Measurement Channels (VR1); 6 x Chip Detect and Fuzz Burn Channels (CD1); 4 x Strain Gage Measurement (SG1)
  • OS DDC-I Deos 653 and Wind River VxWorks HVP Certifiable RTOS, VxWorks 7.x RTOS and PetaLinux

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Nano Interface Unit Model NIU2A
SIU34-DCUVARM-01
  • Processor Xilinx UltraScale+ SBC with Quad Core ARM Cortex -A53
  • Speed N/A
  • I/O & Communications 2 x MIL-STD-1553 & 8 x ARINC-429 Tx/Rx (CM5); 8 x Programmable RS-232/422/485 Serial Channels (SC3); 8 x CANBus A/B 2.0/CAN-FD/ARINC-825 (CB8); 2 x AC Excitation References (AC2); 4 x LVDT Measurement Channels (LD2); 4 x ±40 VDC 100 mA Digital to Analog Channels (DA3); 8 x Variable Reluctance/Pulse Counter Measurement Channels (VR1); 6 x Chip Detect and Fuzz Burn Channels (CD1); 4 x Strain Gage Measurement (SG1); 24 x Enhanced Programmable Discrete I/O Channels (DT4); 16 x Enhanced Differential
  • OS DDC-I Deos 653 and Wind River VxWorks HVP Certifiable RTOS, VxWorks 7.x RTOS and PetaLinux
  • Weight / lbs < 15.1 (fully populated)
  • Volume (in3) 316

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Nano Interface Unit Model NIU2A
SIU36-DCUVARM-01
  • Processor UltraScale+ SBC with Quad Core ARM Cortex -A53
  • Speed N/A
  • I/O & Communications 2 x MIL-STD-1553 & 8 x ARINC-429 Tx/Rx (CM5); 8 x CANBus A/B 2.0/CAN-FD/ARINC-825 (CB8); 8 x RS-232/422/485 Serial Channels (SC3); 2 x AC Excitation References (AC2); 4 x LVDT Measurement Channels (LD2); 8 x ±40 VDC 100 mA Digital to Analog Channels (DA3); 8 x Variable Reluctance/Pulse Counter Measurement Channels (VR1); 6 x Chip Detect and Fuzz Burn Channels (CD1); 4 x Strain Gage Measurement (SG1); 12 x ±10 VDC or ±25 mA D/A Outputs (DA1); 16 x Enhanced Differential Discrete I/O Channels (DF2)
  • OS DDC-I Deos 653 and Wind River VxWorks HVP Certifiable RTOS, VxWorks 7.x RTOS and PetaLinux
  • Conduction Cooled Weight / lbs < 21.3 (fully populated)
  • Convection/Air Cooled Weight / lbs < 22.5 (full populated)
  • Volume (in3) 320

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