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V.90 USB Modem 

 

Introduction 

 

1 -Introduction 

 

The goal of this manual is to provide general information for the developers on evaluation of the ST USB 
Modem. The USB provide a 12Mbps high bandwidth for virtually unlimited data throughput instead of the 
legacy 16550 UART bottleneck with the traditional modems.  

ST USB Modem is a very flexible modem that has one of the smallest real estate and power consumption out 
on the market.  Because of the simplicity of the modem design, the time to market is quick and less overhead. 
With this modem, all future driver releases will be a simple software update.  

This product has been developed in cooperation with Smart Link Ltd, who ported “USB-Modio”, its host 
based modem and system software into ST system and hardware platform.  

ST USB modem provides an easy installation and a strong performance that reduces the Total Cost of 
Ownership.  

2 -Features 

 

Data Protocols 

 

• V.90, V.34bis, V.34, V.32bis, V.32, V.22bis, V.22, Bell 212A, Bell 103  

Data Speed 

 

• V.90 up to 56000, V.34bis up to 33600  

Data Compression 

 

• V.42bis, MNP5  

Error Correction 

 

• V.42 LAPM, MNP2,3,4  

Fax Protocols 

 

• Group 3 compatible, V.17, V.29, V.27ter, V.21, Class1 commands  

Fax Speed 

 

• 14400, 12000, 9600, 7200, 4800, 2400, 300  

General 

 

 

Standard AT commands  

 

 

 

V.8 and Automode  

 

 

 V.80 

 

 
 

Virtual UART (460.8kpbs) 1  

 
 

DTMF detection and generation  

 
 

Wake-up on ring  

 
 ADPCM 

 

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