Multiport RS232 to NTDS Multiplexor for AN/UYK-20.

Abstract

A multiport RS232-NTDS Multiplexor will be discussed. This microprocessor driven hardware device has the capability of multiplexing up to 48 RS232 ports into a single parallel NTDS channel obeying intercomputer protocol. Each RS232 port has software programmable functions similar to AN/UYK-20 RS232 functions. The device is modular so that RS232 ports may be added incrementally as needed. The device is flexible: a very general priority interrupt structure is provided by a combination hardware logic and microprocessor firmware. As a result of this flexibility and modularity, the device can easily accommodate special purpose peripheral devices. The motivation for construction of the device will be discussed along with possible applications. Salient design features affecting flexibility, modularity and throughput will be discussed. This is a final report on this phase of the problem. (Author)

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Document Details

Document Type
Technical Report
Publication Date
Apr 23, 1979
Accession Number
ADA068037

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  • L. E. Russo

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  • United States Naval Research Laboratory

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