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RH56D-PCI

Host-Controlled V.90/K56flex™ Modem device Family for Desktop Applications

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RH56D-PCI Modem Designer’s Guide

Table of Contents

1. INTRODUCTION................................................................................................................................................. 1-1

1.1 SUMMARY ............................................................................................................................................... 1-1

1.2 FEATURES .............................................................................................................................................. 1-3

1.3 TECHNICAL OVERVIEW......................................................................................................................... 1-6

1.3.1 General Description ................................................................................................................... 1-6

1.3.2 Host Modem Software................................................................................................................ 1-6

1.3.3 Operating Modes........................................................................................................................ 1-6

Data/Fax Modes................................................................................................................ 1-6

Synchronous Access Mode (SAM) - Video Conferencing................................................. 1-6

Voice/TAM Mode............................................................................................................... 1-7

Speakerphone Mode (SP Model)...................................................................................... 1-7

1.3.4 Hardware Interfaces................................................................................................................... 1-7

PCI Bus Host Interface...................................................................................................... 1-7

Serial EEPROM Interface ................................................................................................. 1-8

Audio Interface .................................................................................................................. 1-8

Telephone Line/Telephone/Audio Interface ...................................................................... 1-8

2. TECHNICAL SPECIFICATIONS ........................................................................................................................ 2-1

2.1 ESTABLISHING DATA MODEM CONNECTIONS................................................................................... 2-1

Dialing ............................................................................................................................... 2-1

Modem Handshaking Protocol .......................................................................................... 2-1

Call Progress Tone Detection ........................................................................................... 2-1

Answer Tone Detection..................................................................................................... 2-1

Ring Detection................................................................................................................... 2-1

Billing Protection ............................................................................................................... 2-1

Connection Speeds........................................................................................................... 2-1

Automode.......................................................................................................................... 2-1

2.2 DATA MODE ............................................................................................................................................ 2-1

Speed Buffering (Normal Mode) ....................................................................................... 2-1

DTE-to-Modem Flow Control............................................................................................. 2-1

Escape Sequence Detection............................................................................................. 2-1

GSTN Cleardown (V.90/K56flex, V.34, V.32 bis, V.32)..................................................... 2-2

Fall Forward/Fallback (V.90/K56flex, V.34/V.32 bis/V.32) ................................................ 2-2

Retrain............................................................................................................................... 2-2

2.3 ERROR CORRECTION AND DATA COMPRESSION............................................................................. 2-2

V.42 Error Correction ........................................................................................................ 2-2

MNP 2-4 Error Correction ................................................................................................. 2-2

V.42 bis Data Compression .............................................................................................. 2-2

MNP 5 Data Compression ................................................................................................ 2-2

2.4 FAX CLASS 1 OPERATION..................................................................................................................... 2-2

2.5 VOICE/TAM MODE .................................................................................................................................. 2-2

2.5.1 Online Voice Command Mode ................................................................................................... 2-2

2.5.2 Voice Receive Mode .................................................................................................................. 2-3

2.5.3 Voice Transmit Mode ................................................................................................................. 2-3

2.5.4 Speakerphone Modes ................................................................................................................ 2-3

2.6 FULL-DUPLEX SPEAKERPHONE (FDSP) MODE .................................................................................. 2-3

2.7 CALLER ID............................................................................................................................................... 2-3

2.8 MULTIPLE COUNTRY SUPPORT ........................................................................................................... 2-3

2.8.1 OEM Programmable Parameters ............................................................................................... 2-3

2.8.2 Blacklist Parameters .................................................................................................................. 2-3

2.9 DIAGNOSTICS......................................................................................................................................... 2-4

2.9.1 Commanded Tests..................................................................................................................... 2-4

2.10 LOW POWER SLEEP MODE................................................................................................................... 2-4

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