Rockwell Protocol Interface

(RPI) A cost-cutting feature of some modems allowing datacompression and error correction (e.g. ITU-T V.42bis,V.42) to be provided in software instead of hardware.

Usually an RPI modem comes with RPI-aware software (e.g. thelow-end RPI models of Supra come with the COMit whichsupports RPI, providing MNP 2,4,5,7, V.42 and V.42bis). RPIis not supported by many commercial packages nor by currentreleases of popular shareware communication programs(Telix v3.22 and Telemate v4.12). ProComm Plus forWindows 2.0 will support RPI.

Currently Rockwell produce two classes of RPI chip set. Theoriginal is capable of 2400 bit/s data, 9600 bit/s class1-only fax. The newer one is capable of 14400 bit/s data/fax.Currently there are no RPI chipset from Rockwell supportingspeeds higher than 14400 bit/s.

单词	rockwell protocol interface
释义	Rockwell Protocol Interface Rockwell Protocol Interface (RPI) A cost-cutting feature of some modems allowing datacompression and error correction (e.g. ITU-T V.42bis,V.42) to be provided in software instead of hardware. Usually an RPI modem comes with RPI-aware software (e.g. thelow-end RPI models of Supra come with the COMit whichsupports RPI, providing MNP 2,4,5,7, V.42 and V.42bis). RPIis not supported by many commercial packages nor by currentreleases of popular shareware communication programs(Telix v3.22 and Telemate v4.12). ProComm Plus forWindows 2.0 will support RPI. Currently Rockwell produce two classes of RPI chip set. Theoriginal is capable of 2400 bit/s data, 9600 bit/s class1-only fax. The newer one is capable of 14400 bit/s data/fax.Currently there are no RPI chipset from Rockwell supportingspeeds higher than 14400 bit/s. AcronymsSeeRPi
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