the Ultimate modem handbook : your guide to selection, installation, troubleshooting, and optimization /
Lewart, Cass R. 
the Ultimate modem handbook :  your guide to selection, installation, troubleshooting, and optimization /  Cass R. Lewart   - New Jersey :  Prentice Hall PTR,  c1998   - 426 p.;, 23,5 cm.  
 Incluye CD  
681.39