Rugged ATR Chassis for VITA 48.4 Flow-Through Cooling

Date
10/19/2020

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New platform provides reliable operation for intense, power-drive systems

Recognizing the increasing power demands of high-performance embedded systems, Elma Electronic Inc. has released a new rugged ATR chassis compliant with VITA 48.4 for liquid flow-through (LFT) cooling. The new backplane in the chassis is designed for data rates up to 10 Gbps and can handle 300 Watts per slot. This enables the system to accommodate the intense thermal management needed in high density embedded computing systems.

The new chassis offers several other design benefits including configurable front I/O connectors on a removable panel and a filtered power input connector.  It is 1 ATR tall short with a rugged, bolted construction. Individual card coolant flow rates are adjustable with selectable orifices.

The backplane features eight 6U slots on a 1.2” pitch, including two VITA 62-compliant power supply slots, four 6U slots (three Payload slots with VITA 67.3c apertures in J3 & J6, and one Switch slot with VITA 67.3d aperture in J6b) as well as two 6U Payload slots populated with all J1-J6 connectors. “Clockable” guide pins are included at each slot to allow for easier keying (angle rotation), without having to deal with the removal of the backplane from chassis.

The VITA 48.4 standard establishes the mechanical design, interface control, outline and mounting requirements to ensure the mechanical intermateability of 6U VPX liquid-flow-through cooled plug-in modules within associated sub-racks.  The standard enables more efficient cooling of circuit boards and electronic components via an integral heatsink with liquid flowing through it.  The connector layout remains common with VITA 46 and quick disconnect coupling assemblies allow fluidic coupling to the chassis manifold.  

For more information, please visit Elma's site.

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