Product Information

The Technobox, Inc. P/N 8497 provides sixteen industry standard 16550-based UARTs using RS422 signaling levels. Each port has 121 ohms parallel termination on the receive side. 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 ISL3177E Full-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.

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