You are using an outdated browser. For a faster, safer browsing experience, upgrade for free today.
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): < 2.75
  • Volume (in3): 52.5

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
  • Volume (in3): 120

Nano Interface Unit Model NIU2A
SIU32-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

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): < 14.5
  • Volume (in3): 316

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
  • Weight (lbs): < 25
  • Volume (in3): 320

Remote Data Concentrators (RDC): Remote Data Concentrators (RDC) process and format aircraft sensor data into a common digital format over MIL-STD-1553, RS-422 and ARINC-429 protocols, which can then be received by avionics computers and cockpit displays that require engine/aircraft sensor data in a digitized form. RDCs often serve as the

Nano Interface Unit Model NIU2A
NIU2A-RDC-01
  • Processor: ARM Cortex -A9
  • Speed: N/A
  • I/O & Communications: 2 x Redundant MIL-STD-1553 Channels, 8 x ARINC-429/575 Tx/Rx Channels , 8 x RS-232/422/485 Sync/Async Serial Channels, 28 VDC Input PSU with 50 ms holdup option
  • OS: Xilinx PetaLinux OS, Wind River VxWorks (Option)
  • Weight (lbs): < 2.75
  • Volume (in3): 52.5

Aircraft Interface Computer (AIC): Aircraft Interface Units (AIU) systems serve as a focal point in tying a wide variety of aircraft interfaces together. These Nano Modular Open Systems Approach (MOSA) systems offer pre-integrated MIL-STD-1553, ARINC-429/575, CANBus and Discrete I/O interfaces and take 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.

Nano Interface Unit Model NIU2A
NIU3A-AIC-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
  • Weight (lbs): < 5.4
  • Volume (in3): 120

Actuator Interface Units (AIU): Actuator Interface Units (AIU) systems serve as a focal point in tying a wide variety of sensors together that indicate temperature, flow, level or pressure. These Modular Open Systems Approach (MOSA) systems feature different analog and digital input and output modules that can be used with a wide range of function types including AC excitation, LVDT, variable reluctance, thermocouples, and RTDs. NAI’s rugged AIU systems offer 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
SIU32-AIUVARM-01
  • Processor: Xilinx UltraScale+ SBC with Quad Core ARM Cortex -A53
  • Speed: N/A
  • I/O & Communications: 2 x MIL-STD-1553 & 12 x Programmable Discrete IO (CM8); 16 x ±100 VDC A/D Channels (ADF); 8 x Programmable RS-232/422/485 Serial Channels (SC3); 2 x AC Excitation References (AC2); 4 x LVDT Measurement Channels (LD2); 4 x ±40 VDC 100 mA Digital to Analog Channels (DA3)
  • OS: DDC-I Deos 653 and Wind River VxWorks HVP

Nano Interface Unit Model NIU2A
SIU34-AIUVARM-01
  • Processor: Xilinx UltraScale+ SBC with Quad Core ARM Cortex -A53
  • Speed: N/A
  • I/O & Communications: 2 x MIL-STD-1553 & 12 x Programmable Discrete IO (CM8); 16 x ±100 VDC A/D Channels (ADF); 8 x Programmable RS-232/422/485 Serial Channels (SC3); 2 x AC Excitation References (AC2); 4 x LVDT Measurement Channels (LD2); 4 x ±40 VDC 100 mA Digital to Analog Channels (DA3); 24 x ARINC-429/575 Channels (2 x AR1); 16 x Programmable RTD or Thermocouple measurement (2 x TR1); 16 x Variable Reluctance/Pulse Counter Measurement Channels (VR1)
  • RTOS: DDC-I Deos 653 and Wind River VxWorks HVP
  • Weight (lbs): < 14.5
  • Volume (in3): 316

Flight Control Computers (FCC): Flight Control Computers (FCC) systems are used to support several platform flight control systems including fixed-wing aircraft, rotary aircraft, eVTOL and rocket systems. These Modular Open Systems Approach (MOSA) systems feature different analog and digital input and a wide range of communication types including MIL-STD-1533, ARINC-429, RS-232/422/485 and CANBus A/B 2.0/CAN-FD/ARINC-825. NAI’s rugged FCC systems offer 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
SIU32-FCCVARM-01
  • Processor: Xilinx UltraScale+ SBC with Quad Core ARM Cortex -A53
  • Speed: N/A
  • I/O & Communications: 8 x ARINC-429 Tx/Rx & 12 Programmable Discrete IO (CM2); 16 x ±100 VDC A/D Channels (ADF); 8 x Programmable RS-232/422/485 Serial Channels (SC3); 2 x AC Excitation References (AC2); 4 x LVDT Measurement Channels (LD2); 4 x ±40 VDC 100 mA Digital to Analog Channels (DA3)
  • OS: DDC-I Deos 653 and Wind River VxWorks HVP

Nano Interface Unit Model NIU2A
SIU34-FCCVARM-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 ; 8 x Programmable RS-232/422/485 Serial Channels (SC3); 8 x CANBus A/B 2.0/CAN-FD/ARINC-825 (CB8); 4 x AC Excitation References (2 x AC2); 4 x LVDT Measurement Channels (LD2); 4 x Synchro/Resolver Measurement Channels (SD2); 8 x ±40 VDC 100 mA Digital to Analog Channels (DA3); 24 x Enhanced Programmable Discrete I/O Channels (DT4); 16 x Enhanced Differential Discrete I/O Channels (DF1); 16 x ±100 VDC A/D Channels (ADF)
  • OS: DDC-I Deos 653 and Wind River VxWorks HVP
  • Weight (lbs): < 14.5
  • Volume (in3): 316

Mission Computers (MC): Mission Computers (MC) systems combine a range of diagnostic tools within a single platform and provide around-the-clock, intelligent diagnostics on critical mission, air, land and sea applications. These Modular Open Systems Approach (MOSA) systems feature different analog and digital input and a wide range of communication types including MIL-STD-1533, ARINC-429, RS-232/422/485 and CANBus A/B 2.0/CAN-FD/ARINC-825. NAI’s rugged FCC systems offer 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
SIU32-MCVARM-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 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)
  • OS: DDC-I Deos 653 and Wind River VxWorks HVP Certifiable RTOS, VxWorks 7.x RTOS and PetaLinux

Nano Interface Unit Model NIU2A
SIU34-MCVARM-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 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); 16 x 10/100/100 Base-T Ethernet Switch (ES2); 48 x Discrete Input Channels and 48 Programmable Discrete I/O Channels (68DT1)
  • OS: DDC-I Deos 653 and Wind River VxWorks HVP Certifiable RTOS, VxWorks 7.x RTOS and PetaLinux
  • Weight (lbs): < 14.5
  • Volume (in3): 316

Nano Interface Unit Model NIU2A
SIU36-MCVARM-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; 8 x RS-232/422/485 Serial Channels; 8 x CANBus A/B 2.0/CAN-FD/ARINC-825; 4 x MIL-STD-1553/1760; 4 x Non-Latching Relay; 24 x Enhanced Programmable Discrete I/O Channels; 16 x ±100 VDC A/D Channels; 12 x ±10 VDC or ±25 mA D/A Outputs; 12 x ±1.25 to ±10.0 A/D Channels; 12 x ±100V A/D Channels; 16 x ±1.25 to ±10.0 VDC A/D Channels; 16 x 10/100/100 Base-T Ethernet Switch; 48 x Discrete Input Channels and 48 Programmable Discrete I/O Channels
  • OS: DDC-I Deos 653 and Wind River VxWorks HVP Certifiable RTOS, VxWorks 7.x RTOS and PetaLinux
  • Weight (lbs): < 25
  • Volume (in3): 320

Remote Interface Units (RIU): Remote Interface Units (RIUs) are designed for remote locations and communicate with higher-level computing systems such as Flight Control Computers (FCC) and Mission Computers (MC), gathering, analyzing and sending data throughout the platform. These Modular Open Systems Approach (MOSA) systems feature different analog and digital input and output modules that can be used with a wide range of function types including AC excitation, LVDT, variable reluctance, thermocouples, and RTDs. NAI’s rugged AIU systems offer 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
SIU32-RIUVARM-01
  • Processor: Xilinx UltraScale+ SBC with Quad Core ARM Cortex -A53
  • Speed: N/A
  • I/O & Communications: 4 x MIL-STD-1553 (FTC); 12 x ARINC-429/575 Channels (AR1); 8 x Programmable RS-232/422/485 Serial Channels (SC3); 8 x Programmable RTD or Thermocouple measurement (TR1); 24 x Enhanced Programmable Discrete I/O Channels (DT4); 16 x ±100 VDC A/D Channels (ADF)
  • OS: VxWorks 6.9 RTOS and PetaLinux

Nano Interface Unit Model NIU2A
SIU34-RIUVARM-01
  • Processor: Xilinx UltraScale+ SBC with Quad Core ARM Cortex -A53
  • Speed: N/A
  • I/O & Communication: 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); 8 x Programmable RTD or Thermocouple measurement (TR1); 8 x ±40 VDC 100 mA Digital to Analog Channels (DA3); 2 x AC Reference Excitation (AC2); 4 x Strain Gage Measurement (SG1); 8 x Variable Reluctance/Pulse Counter Measurement Channels (VR1); 48 x Discrete Input Channels and 48 Programmable Discrete I/O Channels (68DT1)
  • OS: VxWorks 6.9 RTOS and PetaLinux
  • Weight (lbs): < 14.5
  • Volume (in3): 316

Nano Interface Unit Model NIU2A
SIU36-RIUVARM-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; 8 x RS-232/422/485 Serial Channels; 8 x CANBus A/B 2.0/CAN-FD/ARINC-825; 8 x Programmable RTD or Thermocouple measurement; 16 x ±100 VDC A/D Channels; 8 x ±40 VDC 100 mA Digital to Analog Channels; 2 x AC Reference Excitation; 4 x Strain Gage Measurement; 8 x Variable Reluctance/Pulse Counter Measurement Channels; 16 x 10/100/100 Base-T Ethernet Switch; 48 x Discrete Input Channels and 48 Programmable Discrete I/O Channels
  • OS: VxWorks 6.9 RTOS and PetaLinux
  • Weight (lbs): < 25
  • Volume: 320