Technobox, Inc. | PMC/XMC Boards & More
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XMC

We offer a variety of mezzanine board solutions for supplemental I/O used in embedded systems. Designs address applications from convection-cooled PMCs with 4 ports to a unique family of XMCs featuring mix-and-match modularity, from which a collection of 4, 8 or 16-port I/O modules can be built and delivered with limited lead times.

 
 
 

16-Port RS485 Asynchronous I/O XMC w/o Termination (VITA 42) (8500)

16-Port RS485 Asynchronous I/O XMC w/o Termination (VITA 42) (8500)

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RoHS Compliant
Lead-Free
Industrial Temperature

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16-Port RS485 Asynchronous I/O XMC w/o Termination (VITA 42)

The Technobox, Inc. P/N 8500 provides sixteen industry standard 16550-based UARTs using RS485 signaling levels. Ports are not terminated. The board's feature set is configured without using any jumpers, plug-on mezzanines or complex FPGAs. Instead, functions are implemented by selective population of the boards eight configuration sections. At the heart of the design are two Exar XR17V358 Octal UARTs and sixteen Intersil ISL1378E Half-duplex RS-485/RS-422 Transceivers.

The front-panel I/O interface is a standard 68-pin SCSI-style connector. Neither PN4 nor P16 rear I/O is supported. Rear I/O capable variants (either air-cooled or conduction-cooled) can be built, however. Various breakout panels and cable accessories are available to convert the 68-pin front-panel I/O to support user requirements. For example, Technobox, Inc. P/N 4988 can be used to convert the output to eight DB9 connectors. The XMC interface connector is VITA 42 style. Technobox, Inc. P/N 8506 is similar in function to Technobox, Inc. P/Ns 2876 and 5463, offering an immediate solution for migrating from the PMC-to-XMC form factor.

 

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