cx20493-35/app Conexant Systems, Inc., cx20493-35/app Datasheet - Page 4

• Manufacturer Part Number: cx20493-35/app
• Description: With Cx20493 Smartdaa?
• Manufacturer: Conexant Systems, Inc.

iv
2.4
2.5
2.6
2.7
2.8
2.9
2.10
2.11
2.12
2.13
2.14
2.15
2.16
CX81801-7x/8x SmartV.XX Modem in 128-Pin LQFP with CX20493 in 32-Pin LQFP Data Sheet
Data Mode ...................................................................................................................................................................... 2-4
2.4.1
2.4.2
2.4.3
2.4.4
2.4.5
2.4.6
2.4.7
2.4.8
2.4.9
V.92 Features.................................................................................................................................................................. 2-5
2.5.1
2.5.2
2.5.3
Error Correction and Data Compression......................................................................................................................... 2-6
2.6.1
2.6.2
2.6.3
2.6.4
2.6.5
Telephony Extensions..................................................................................................................................................... 2-7
2.7.1
2.7.2
2.7.3
Fax Class 1 and Fax Class 1.0 Operation ........................................................................................................................ 2-8
Point-of-Sales Support ................................................................................................................................................... 2-8
Voice/Audio Mode .......................................................................................................................................................... 2-8
2.10.1
2.10.2
2.10.3
2.10.4
2.10.5
2.10.6
2.10.7
V.80 Synchronous Access Mode (SAM) - Video Conferencing ...................................................................................... 2-9
Full-Duplex Speakerphone (FDSP) Mode (S Models)................................................................................................... 2-10
Caller ID ........................................................................................................................................................................ 2-10
Worldwide Country Support ......................................................................................................................................... 2-10
Diagnostics ................................................................................................................................................................... 2-11
2.15.1
2.15.2
Low Power Sleep Mode ................................................................................................................................................ 2-12
Speed Buffering (Normal Mode) .................................................................................................................... 2-4
Flow Control ................................................................................................................................................... 2-4
Escape Sequence Detection............................................................................................................................ 2-4
BREAK Detection ............................................................................................................................................ 2-4
Telephone Line Monitoring............................................................................................................................. 2-4
Fall Forward/Fallback (V.92/V.90/V.34/V.32 bis/V.32) ................................................................................... 2-4
Retrain ............................................................................................................................................................ 2-5
Programmable Inactivity Timer ...................................................................................................................... 2-5
DTE Signal Monitoring (Serial DTE Interface Only) ........................................................................................ 2-5
Modem-on-Hold ............................................................................................................................................. 2-5
Quick Connect ................................................................................................................................................ 2-6
PCM Upstream ............................................................................................................................................... 2-6
V.42 Error Correction ..................................................................................................................................... 2-6
MNP 2-4 Error Correction .............................................................................................................................. 2-6
V.44 Data Compression.................................................................................................................................. 2-6
V.42 bis Data Compression ............................................................................................................................ 2-6
MNP 5 Data Compression .............................................................................................................................. 2-7
Line In Use Detection ..................................................................................................................................... 2-7
Extension Pickup Detection ............................................................................................................................ 2-7
Remote Hangup Detection.............................................................................................................................. 2-8
Online Voice Command Mode ........................................................................................................................ 2-8
Voice Receive Mode ....................................................................................................................................... 2-8
Voice Transmit Mode ..................................................................................................................................... 2-9
Full-Duplex Receive and Transmit Mode ........................................................................................................ 2-9
Audio Mode .................................................................................................................................................... 2-9
Tone Detectors ............................................................................................................................................... 2-9
Speakerphone Mode....................................................................................................................................... 2-9
Commanded Tests........................................................................................................................................ 2-11
Power On Reset Tests .................................................................................................................................. 2-11
Conexant
102247B