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Mark II+ Communications Management Unit

Overview
The Mark II+ Communications Management Unit (CMU) enables data and messaging transfers between airborne and ground based systems by hosting communications protocols that allow for messages to be routed over various channels. The CMU Mark II+ provides access to "big data" from onboard avionics systems, enables analytics that improve fuel efficiency and ensure schedule integrity, and facilitates operational efficiencies for large fleet operators.

The Mark II+ CMU supports Protected Mode - Controller Pilot Data Link Communication (PM-CPDLC), the datalink recording mandate, and it is certified for FANS 1/A+ data routing and operation.

As the primary airborne component, the Mark II+ communicate primarily through an external Very High Frequency (VHF) transceiver, although optional airborne equipment may include a Satellite Data Communication System (SDCS) to provide datalink capability via satellite. The aircraft FMS provides the interface between the pilots and the Mark II+. By default, the CMU communicates via the land-based Aircraft Communication Addressing and Reporting System (ACARS) VHF network.

Specifications

Physical

  • Size

    • 4 MCU per ARINC 600 millimetre
  • Weight

    • 12 lbs
    • 5.44 kg)

Power and Electrical

  • Power Requirements

    • 115 VAC 400 Hz or 28 VDC. 30 Watts Max.
  • Connector

    • ARINC 724B or ARINC 758

Environmental

  • Environmental

    • DO-160C, no forced-air cooling required degree Celsius

Performance

  • Key Benefits

    • Supports FANS CPDLC, ATN PM-CPDLC, and ACARS functionality

Connectivity and Systems

  • Components

    • PN 964-0465-001 (APM)
    • PN 965-0758-005 (ARINC 724B)
    • PN 965-0758-006 (ARINC 758)

Certification

  • Warranty

    • 3 Years

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