ARINC 818 express for high-speed avionics video and power over coax

Tim Keller; Jon A. Alexander

doi:10.1117/12.922859

21 May 2012 ARINC 818 express for high-speed avionics video and power over coax

Tim Keller, Jon A. Alexander

Proceedings Volume 8383, Head- and Helmet-Mounted Displays XVII; and Display Technologies and Applications for Defense, Security, and Avionics VI; 83830Z (2012) https://doi.org/10.1117/12.922859
Event: SPIE Defense, Security, and Sensing, 2012, Baltimore, Maryland, United States

Abstract

CoaXPress is a new standard for high-speed video over coax cabling developed for the machine vision industry. CoaXPress includes both a physical layer and a video protocol. The physical layer has desirable features for aerospace and defense applications: it allows 3Gbps (up to 6Gbps) communication, includes 21Mbps return path allowing for bidirectional communication, and provides up to 13W of power, all over a single coax connection. ARINC 818, titled "Avionics Digital Video Bus" is a protocol standard developed specifically for high speed, mission critical aerospace video systems. ARINC 818 is being widely adopted for new military and commercial display and sensor applications. The ARINC 818 protocol combined with the CoaXPress physical layer provide desirable characteristics for many aerospace systems. This paper presents the results of a technology demonstration program to marry the physical layer from CoaXPress with the ARINC 818 protocol. ARINC 818 is a protocol, not a physical layer. Typically, ARINC 818 is implemented over fiber or copper for speeds of 1 to 2Gbps, but beyond 2Gbps, it has been implemented exclusively over fiber optic links. In many rugged applications, a copper interface is still desired, by implementing ARINC 818 over the CoaXPress physical layer, it provides a path to 3 and 6 Gbps copper interfaces for ARINC 818. Results of the successful technology demonstration dubbed ARINC 818 Express are presented showing 3Gbps communication while powering a remote module over a single coax cable. The paper concludes with suggested next steps for bring this technology to production readiness.

Citation Download Citation

Tim Keller and Jon A. Alexander "ARINC 818 express for high-speed avionics video and power over coax", Proc. SPIE 8383, Head- and Helmet-Mounted Displays XVII; and Display Technologies and Applications for Defense, Security, and Avionics VI, 83830Z (21 May 2012); https://doi.org/10.1117/12.922859

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KEYWORDS

Video

Cameras

Standards development

Copper

Aerospace engineering

Receivers

Fiber optics

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