Data Link Management System

The Data Link Management System (DLMS) is the “CORE” element for Data Communication Systems on Manned and Unmanned Aerial Platforms. The DLMS, as a Tactical Data Link Processor evolution, represents, for onboard systems, the gateway to access voice/data communications over broadband IP-based and legacy
Tactical Data Link systems.

In current military and para-military operational scenarios, fixed, rotary, and unmanned platforms are requested to enhance their communications capability and improve their level of interoperability between heterogeneous forces on air, ground, and sea, while increasing their efficiency in terms of better performance, higher flexibility and modularity.

These requirements can be translated into needs like multiple data link integration, innovative modular architectures to ease the on-board platform integration and to add new capabilities minimizing HW/SW changes, and security management, including support to networked data routing (IP Based) for the full integration of the platform into the net-centric operational environment.

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  • Characteristics
  • Technical Specifications
  • Enables IP-based Network Centric Communications incorporating Ethernet Switching, IP routing, and IP Encryption
  • Modular HW architecture based on units with Processing, I/O, and IP routing/switching functions
  • Partitioned SW architecture based on ARINC653 RTOS to support independent CNI applications
  • IP Network Encryption Module, adaptable to specific National, NATO, and Coalition security mission requirements
  • Video/Audio digitization and compression for realtime
  • Modular I/O for customization on different application scenarios
  • Redundant configurations for high availability applications
  • DO178B-DO254 HW/SW development for safe applications’ support
  • Common Criteria and Tempest certification
  • UAS Communication Management.
Hardware Environment
  • VPX (VITA46) 3 U form factor SRUs
  • VPX (VITA46) 3 U form factor SRUs
  • Up to 512 GB of HDD Capacity


Software Environment

  • Operating Systems: Wind River VxWorks 653 R2.4 Linux O.S. DEBIAN 6.0


Routing/Switching Standards

  • RFC 793 / RFC768: TCP/UDP Support
  • RFC 791 / RFC 2460: IPv4/IPv6 Support
  • RFC 826 / RFC1027: ARP / Proxy ARP
  • RFC 1350: TFTP
  • RFC 2328: OSPFv2 Routing
  • RFC 2131: DHCP Server
  • IEEE 802.1Q: VLAN Support
  • DSCP: DiffServ QoS model
  • RFC 4861: Network Discovery


NATO Standards

  • STANAG 5516: Link 16
  • STANAG 5511: Link 11A
  • MIL-STD-2045-47001: VMF
  • STANAG 5519: VMF
  • STANAG 5616: Data Forwarding
  • MIL-STD 3011C: JREAP A, C
  • MIL-STD-1553 Serial Data Bus
  • MIL-STD-188-114A Digital Interface Circuits
  • MIL-STD 188-220D Digital Message Transfer Device Subsystems

External Interfaces

  • 10/100/1000 IEEE802.3 (Fast/Giga Ethernet)
  • ARINC 429
  • RS485/422
  • ATDS/Link11
  • Avionic CAN BUS
  • Discretes in/out, Audio in/out, Video in/out
  • MIL-STD 1553
  • MIL-STD188-114A


Environmental Characteristics

  • Temperature Operating: -40°C to +70°C
  • Storage: -55°C to +85°C
  • Altitude: Up to 50000 feet
  • Qualification
  • RTCA/DO-160F: Environmental conditions
  • MIL-STD-1472: Human Engineering


Mechanical Characteristics

  • Dimensions: ¼ ATR (57 x 194 x 324 mm)
  • Weight: <4 Kg
  • Cooling: No cooling required


Other Characteristics

  • Reliability: MTBF 2500 hours, MIL-HDBK-217, ARW Environment, 50°C
  • Maintainability: MTTR < 10 min (1st level) MTTR < 60 min (2nd level)
  • Consumption: < 40 W
  • Input power: 28 VDC i.a.w. MIL-STD 704 F

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