CONEXANT RH56D-PCI overview
RH56D-PCI is made by CONEXANT. Conexant RH56D-PCI Host Controlled Modem Device The Conexant RH56D-PCI V.90/K56flex Host Controlled Modem Device Family supports high-speed analog data up to 56 kbps, 14.4 kbps fax, voice/TAM, and speakerphone (optional) operation. The modem operates with PSTN telephone lines in the…
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Manufactured byCONEXANT
DescriptionConexant RH56D-PCI Host Controlled Modem Device
OverviewThe Conexant RH56D-PCI V.90/K56flex Host Controlled Modem Device Family supports high-speed analog data up to 56 kbps, 14.4 kbps fax, voice/TAM, and speakerphone (optional) operation. The modem operates with PSTN telephone lines in the U.S. and worldwide. The modem is available with or without speakerphone support.The RH56D-PCI modem provides the processing core fora complete system design featuring data/fax modem,voice/TAM, and speakerphone support, depending on specific mode.
FeaturesData modemITU-T V.90, K56flex, V.34 (33.6 kbps), V.32 bis, V.32, V.22 bis, V.22, V.23, and V.21; Bell 212A and 103V.42 LAPM and MNP 2-4 error correctionV.42 bis and MNP 5 data compressionV.250 (ex V.25 ter) and V.251 (ex V.25 ter Annex A) commandsFax modem send and receive rates up to 14.4 kbps ITU-T V.17, V.29, V.27 ter, and V.21 channel 2EIA/TIA 578 Class 1 and T.31 Class 1.0 commandsVoice, telephony, TAMV.253 commands8-bit μLaw/A-Law coding (G.711)8-bit/16-bit linear coding8000/7200 Hz sample rateMusic on hold from the host or analog hardware inputTAM support with concurrent DTMF detect ring detect, and caller IDV.80 synchronous access mode supports host controlled communication protocolsH.324 interface supportV.8/V.8bis and V.251 (ex V.25 ter Annex A) commandsFull-duplex Speakerphone (FDSP) Mode (SP model)Telephone handset interfaceExternal microphone and speaker interfaceMicrophone gain and mutingSpeaker volume control and mutingAdaptive acoustic, line, and handset echo cancellationLoop gain control, transmit and receive path AGCData/Fax/Voice call discriminationMultiple country supportCall progress, blacklistingSingle profile stored in hostModem and audio paths concurrent across PCI BusSystem compatibilitiesWindows 95, Windows 95 OSR2, Windows 98, Windows NT 4.0, Windows NT 5.0 operating systemsMicrosoft's PC 98 Design Initiative compliantUnimodem/V compliantPentium 133 MHz equivalent or greater16 Mbyte RAM or more32-bit PCI Local Bus interfaceConforms to the PCI Local Bus Specification, Production Version, Revision 2.1PCI Bus Mastering interface to the MDP33 MHz PCI clock supportSupports PCI Bus Power ManagementConforms to PCI Bus Power Management Specification, Rev. 1.1ACPI Power Management RegistersAPM supportPME# supportDevice packageR6795 Modem: 144-pin TQFP (1.6 mm max. height)+3.3V operation with +5V tolerant digital inputs+5V or +3.3V analog operation
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