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Carrier cards offer ease in I/O connection

Posted: 01 Jul 2008 ?? ?Print Version ?Bookmark and Share

Keywords:carrier cards? PCI bus?

Acromag Inc. has introduced two models of its AcPC4610 carrier cards that provide an easy way to expand the use of PMC mezzanine modules in 3U CompactPCI computer systems. The carrier card acts as an adapter to route PCI bus signals to and from the PMC module through the CompactPCI card slot edge connector. A PLX Technology PCI6540 bridge device provides a transparent 32bit 33/66MHz PCI/PCI bridge for data transactions from the PCI bus (system host) to the PMC site.

Two models are available for air-cooled (-40C to 85C range) or conduction-cooled applications. All the company's PMC modules and those from other vendors are compatible. Both 3.3V and 5V DC signaling are supported.

Front and rear-panel access to field I/O signals is accommodated. The air-cooled carrier card features a front panel cut-out providing access to a PMC module's front I/O connector. Alternatively, all I/O signals can be routed through the carrier card's rear J2 connector. An air-cooled rear transition board, Acromag Model TRANS-C4610, is available to map the field I/O on the PMC module to the rear of the CompactPCI card cage.

The conduction-cooled model uses a heat frame with wedge locks and thermo bars for applications where ambient or forced air can't provide adequate cooling. This unit is designed to meet ANSI/VITA-47 Environmental Class ECC4 standards and is suitable for airborne systems, deployment in battleground equipment and other situations with advanced thermal management requirements. Field I/O signals are routed through the carrier card's rear J2 connector.

- Gina Roos
eeProductCenter





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