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TE debuts ethernet over single pair in commercial aircraft

TE Connectivity is unveiling a new Mini-ETH single pair ethernet system for commercial aircraft that offers weight savings, more bandwidth and simpler installation and maintenance by using proven technologies from other markets.

TE’s new Mini-ETH system offers designers up to 73% weight savings in cables and up to 41% weight savings in connectors compared to standard eight-wire cables and rectangular connectors.

Using ethernet over single pair protocols derived from the automotive market, the Mini-ETH system delivers its weight savings by employing a two-wire cable design, which was recently standardized under the ARINC 854 cabin equipment network bus standard.

Two-wire cables and corresponding 369 connectors help reduce termination time by up to 50% compared to standard quadrax connectors. This reduction in wires can also simplify maintenance when compared to quadrax connectors.

These efficiencies come in a versatile package that is qualified to 100Mb/s with the ability to support up to 1Gb/s in future applications. The Mini-ETH system is currently designed for use in In-Flight Entertainment (IFE) systems, seat power and lighting controls.

TE’s Mini-ETH system consists of a range of time-tested TE products, including:

  • 369 shielded connectors
  • DEUTSCH DMC-M connectors (EN4165)
  • Cheminax twinax high speed copper cables
  • End to End Ethernet assemblies

Neil Tyler

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